search
HomeWeb Front-endHTML TutorialHTML basics (5)-css style sheet style attribute format and layout

1. position: fixed

Lock position (position relative to the browser), such as the pop-up window in the lower right corner of some websites.

Example:

2. position: absolute

Absolute position:

1. The outer layer does not have position: absolute (or relative); then the div is positioned relative to the browser, as shown in b (50 pixels from the right border of the browser and 20 pixels from the bottom border).

2. The outer layer has position: absolute (or relative); then the div is positioned relative to the outer border, as shown in the picture below (50 pixels from the right border of d, 20 pixels from the lower border of d).

Example:

3. position: relative

Relative position:

As shown below, it is fixed relative to a certain position of the div that contains this div. If the outer layer does not contain it, the relative position is fixed relative to the browser.

Example:

4. Layering (z-index)

is layered in the direction of the z axis, which can be understood as being divided into a pile of paper, with the higher the number of layers, the higher they are.

In the relative example above, we see that aa covers aa. This is because the display level of the code written later is higher. So how can a cover aa without changing the code order. As follows:

Example:

5. float: left, right

There is no need to specify the position for him when Left, right (left, top), directly relative to the browser. If the outer part is wrapped, the upper left or upper right position of the outer div will be displayed except for one line.

Additional: 1. overflow: hidden; //Hide the excess part; scroll, display the scroll bar;

                                                                                                                                                                                                   

2. cursor: pointer The shape when the mouse points to it;

3. Translucent effect:

                                                                                                          
Transparent area

The code in the style sheet is:

.box

               {

opacity:0.5; -moz-opacity:0.5 ; filter:alpha(opacity=50)

         }

To sum up the above practice examples: Make part of the format layout of the drug tyrant website list

html code:

<span style="color: #008080;">  1</span> <span style="color: #0000ff;"><span style="color: #ff00ff;">DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd"</span><span style="color: #0000ff;">></span>
<span style="color: #008080;">  2</span> <span style="color: #0000ff;"><span style="color: #800000;">html </span><span style="color: #ff0000;">xmlns</span><span style="color: #0000ff;">="http://www.w3.org/1999/xhtml"</span><span style="color: #0000ff;">></span>
<span style="color: #008080;">  3</span> <span style="color: #0000ff;"><span style="color: #800000;">head</span><span style="color: #0000ff;">></span>
<span style="color: #008080;">  4</span> <span style="color: #0000ff;"><span style="color: #800000;">meta </span><span style="color: #ff0000;">http-equiv</span><span style="color: #0000ff;">="Content-Type"</span><span style="color: #ff0000;"> content</span><span style="color: #0000ff;">="text/html; charset=utf-8"</span> <span style="color: #0000ff;">/></span>
<span style="color: #008080;">  5</span> <span style="color: #0000ff;"><span style="color: #800000;">title</span><span style="color: #0000ff;">></span>无标题文档<span style="color: #0000ff;"></span><span style="color: #800000;">title</span><span style="color: #0000ff;">></span>
<span style="color: #008080;">  6</span> <span style="color: #0000ff;"><span style="color: #800000;">style </span><span style="color: #ff0000;">type</span><span style="color: #0000ff;">="text/css"</span><span style="color: #0000ff;">></span>
<span style="color: #008080;">  7</span> <span style="background-color: #f5f5f5; color: #800000;">.a
</span><span style="color: #008080;">  8</span> <span style="background-color: #f5f5f5; color: #000000;">{</span>
<span style="color: #008080;">  9</span> <span style="background-color: #f5f5f5; color: #ff0000;">    border</span><span style="background-color: #f5f5f5; color: #000000;">:</span><span style="background-color: #f5f5f5; color: #0000ff;">5px solid blue</span><span style="background-color: #f5f5f5; color: #000000;">;</span>
<span style="color: #008080;"> 10</span> <span style="background-color: #f5f5f5; color: #ff0000;">    width</span><span style="background-color: #f5f5f5; color: #000000;">:</span><span style="background-color: #f5f5f5; color: #0000ff;">1000px</span><span style="background-color: #f5f5f5; color: #000000;">;</span>
<span style="color: #008080;"> 11</span> <span style="background-color: #f5f5f5; color: #ff0000;">    height</span><span style="background-color: #f5f5f5; color: #000000;">:</span><span style="background-color: #f5f5f5; color: #0000ff;">100px</span><span style="background-color: #f5f5f5; color: #000000;">;</span>
<span style="color: #008080;"> 12</span> <span style="background-color: #f5f5f5; color: #ff0000;">    margin</span><span style="background-color: #f5f5f5; color: #000000;">:</span><span style="background-color: #f5f5f5; color: #0000ff;">10px</span><span style="background-color: #f5f5f5; color: #000000;">;</span>
<span style="color: #008080;"> 13</span> <span style="background-color: #f5f5f5; color: #ff0000;">    left</span><span style="background-color: #f5f5f5; color: #000000;">:</span><span style="background-color: #f5f5f5; color: #0000ff;">150px</span><span style="background-color: #f5f5f5; color: #000000;">;</span>
<span style="color: #008080;"> 14</span> <span style="background-color: #f5f5f5; color: #ff0000;">    top</span><span style="background-color: #f5f5f5; color: #000000;">:</span><span style="background-color: #f5f5f5; color: #0000ff;">80px</span><span style="background-color: #f5f5f5; color: #000000;">;</span>
<span style="color: #008080;"> 15</span> <span style="background-color: #f5f5f5; color: #ff0000;">    position</span><span style="background-color: #f5f5f5; color: #000000;">:</span><span style="background-color: #f5f5f5; color: #0000ff;">absolute</span><span style="background-color: #f5f5f5; color: #000000;">;</span><span style="background-color: #f5f5f5; color: #000000;">}</span>
<span style="color: #008080;"> 16</span> <span style="background-color: #f5f5f5; color: #800000;">.b
</span><span style="color: #008080;"> 17</span> <span style="background-color: #f5f5f5; color: #000000;">{</span>
<span style="color: #008080;"> 18</span> <span style="background-color: #f5f5f5; color: #ff0000;">    border</span><span style="background-color: #f5f5f5; color: #000000;">:</span><span style="background-color: #f5f5f5; color: #0000ff;">5px solid blue</span><span style="background-color: #f5f5f5; color: #000000;">;</span>
<span style="color: #008080;"> 19</span> <span style="background-color: #f5f5f5; color: #ff0000;">    width</span><span style="background-color: #f5f5f5; color: #000000;">:</span><span style="background-color: #f5f5f5; color: #0000ff;">240px</span><span style="background-color: #f5f5f5; color: #000000;">;</span>
<span style="color: #008080;"> 20</span> <span style="background-color: #f5f5f5; color: #ff0000;">    height</span><span style="background-color: #f5f5f5; color: #000000;">:</span><span style="background-color: #f5f5f5; color: #0000ff;">200px</span><span style="background-color: #f5f5f5; color: #000000;">;</span>
<span style="color: #008080;"> 21</span> <span style="background-color: #f5f5f5; color: #ff0000;">    margin</span><span style="background-color: #f5f5f5; color: #000000;">:</span><span style="background-color: #f5f5f5; color: #0000ff;">10px</span><span style="background-color: #f5f5f5; color: #000000;">;</span>
<span style="color: #008080;"> 22</span> <span style="background-color: #f5f5f5; color: #ff0000;">    left</span><span style="background-color: #f5f5f5; color: #000000;">:</span><span style="background-color: #f5f5f5; color: #0000ff;">150px</span><span style="background-color: #f5f5f5; color: #000000;">;</span>
<span style="color: #008080;"> 23</span> <span style="background-color: #f5f5f5; color: #ff0000;">    top</span><span style="background-color: #f5f5f5; color: #000000;">:</span><span style="background-color: #f5f5f5; color: #0000ff;">200px</span><span style="background-color: #f5f5f5; color: #000000;">;</span>
<span style="color: #008080;"> 24</span> <span style="background-color: #f5f5f5; color: #ff0000;">    position</span><span style="background-color: #f5f5f5; color: #000000;">:</span><span style="background-color: #f5f5f5; color: #0000ff;">absolute</span><span style="background-color: #f5f5f5; color: #000000;">;</span><span style="background-color: #f5f5f5; color: #000000;">}</span>
<span style="color: #008080;"> 25</span> <span style="background-color: #f5f5f5; color: #800000;">.c
</span><span style="color: #008080;"> 26</span> <span style="background-color: #f5f5f5; color: #000000;">{</span>
<span style="color: #008080;"> 27</span> <span style="background-color: #f5f5f5; color: #ff0000;">    border</span><span style="background-color: #f5f5f5; color: #000000;">:</span><span style="background-color: #f5f5f5; color: #0000ff;">5px solid blue</span><span style="background-color: #f5f5f5; color: #000000;">;</span>
<span style="color: #008080;"> 28</span> <span style="background-color: #f5f5f5; color: #ff0000;">    width</span><span style="background-color: #f5f5f5; color: #000000;">:</span><span style="background-color: #f5f5f5; color: #0000ff;">740px</span><span style="background-color: #f5f5f5; color: #000000;">;</span>
<span style="color: #008080;"> 29</span> <span style="background-color: #f5f5f5; color: #ff0000;">    height</span><span style="background-color: #f5f5f5; color: #000000;">:</span><span style="background-color: #f5f5f5; color: #0000ff;">300px</span><span style="background-color: #f5f5f5; color: #000000;">;</span>
<span style="color: #008080;"> 30</span> <span style="background-color: #f5f5f5; color: #ff0000;">    margin</span><span style="background-color: #f5f5f5; color: #000000;">:</span><span style="background-color: #f5f5f5; color: #0000ff;">10px</span><span style="background-color: #f5f5f5; color: #000000;">;</span>
<span style="color: #008080;"> 31</span> <span style="background-color: #f5f5f5; color: #ff0000;">    left</span><span style="background-color: #f5f5f5; color: #000000;">:</span><span style="background-color: #f5f5f5; color: #0000ff;">410px</span><span style="background-color: #f5f5f5; color: #000000;">;</span>
<span style="color: #008080;"> 32</span> <span style="background-color: #f5f5f5; color: #ff0000;">    top</span><span style="background-color: #f5f5f5; color: #000000;">:</span><span style="background-color: #f5f5f5; color: #0000ff;">200px</span><span style="background-color: #f5f5f5; color: #000000;">;</span>
<span style="color: #008080;"> 33</span> <span style="background-color: #f5f5f5; color: #ff0000;">    position</span><span style="background-color: #f5f5f5; color: #000000;">:</span><span style="background-color: #f5f5f5; color: #0000ff;">absolute</span><span style="background-color: #f5f5f5; color: #000000;">;</span><span style="background-color: #f5f5f5; color: #000000;">}</span>
<span style="color: #008080;"> 34</span> <span style="background-color: #f5f5f5; color: #800000;">.d
</span><span style="color: #008080;"> 35</span> <span style="background-color: #f5f5f5; color: #000000;">{</span>
<span style="color: #008080;"> 36</span> <span style="background-color: #f5f5f5; color: #ff0000;">    border</span><span style="background-color: #f5f5f5; color: #000000;">:</span><span style="background-color: #f5f5f5; color: #0000ff;">5px solid blue</span><span style="background-color: #f5f5f5; color: #000000;">;</span>
<span style="color: #008080;"> 37</span> <span style="background-color: #f5f5f5; color: #ff0000;">    width</span><span style="background-color: #f5f5f5; color: #000000;">:</span><span style="background-color: #f5f5f5; color: #0000ff;">740px</span><span style="background-color: #f5f5f5; color: #000000;">;</span>
<span style="color: #008080;"> 38</span> <span style="background-color: #f5f5f5; color: #ff0000;">    height</span><span style="background-color: #f5f5f5; color: #000000;">:</span><span style="background-color: #f5f5f5; color: #0000ff;">200px</span><span style="background-color: #f5f5f5; color: #000000;">;</span>
<span style="color: #008080;"> 39</span> <span style="background-color: #f5f5f5; color: #ff0000;">    margin</span><span style="background-color: #f5f5f5; color: #000000;">:</span><span style="background-color: #f5f5f5; color: #0000ff;">10px</span><span style="background-color: #f5f5f5; color: #000000;">;</span>
<span style="color: #008080;"> 40</span> <span style="background-color: #f5f5f5; color: #ff0000;">    left</span><span style="background-color: #f5f5f5; color: #000000;">:</span><span style="background-color: #f5f5f5; color: #0000ff;">410px</span><span style="background-color: #f5f5f5; color: #000000;">;</span>
<span style="color: #008080;"> 41</span> <span style="background-color: #f5f5f5; color: #ff0000;">    top</span><span style="background-color: #f5f5f5; color: #000000;">:</span><span style="background-color: #f5f5f5; color: #0000ff;">520px</span><span style="background-color: #f5f5f5; color: #000000;">;</span>
<span style="color: #008080;"> 42</span> <span style="background-color: #f5f5f5; color: #ff0000;">    position</span><span style="background-color: #f5f5f5; color: #000000;">:</span><span style="background-color: #f5f5f5; color: #0000ff;">absolute</span><span style="background-color: #f5f5f5; color: #000000;">;</span><span style="background-color: #f5f5f5; color: #000000;">}</span>
<span style="color: #008080;"> 43</span> <span style="background-color: #f5f5f5; color: #800000;">.e
</span><span style="color: #008080;"> 44</span> <span style="background-color: #f5f5f5; color: #000000;">{</span>
<span style="color: #008080;"> 45</span> <span style="background-color: #f5f5f5; color: #ff0000;">    border</span><span style="background-color: #f5f5f5; color: #000000;">:</span><span style="background-color: #f5f5f5; color: #0000ff;">5px solid blue</span><span style="background-color: #f5f5f5; color: #000000;">;</span>
<span style="color: #008080;"> 46</span> <span style="background-color: #f5f5f5; color: #ff0000;">    width</span><span style="background-color: #f5f5f5; color: #000000;">:</span><span style="background-color: #f5f5f5; color: #0000ff;">240px</span><span style="background-color: #f5f5f5; color: #000000;">;</span>
<span style="color: #008080;"> 47</span> <span style="background-color: #f5f5f5; color: #ff0000;">    height</span><span style="background-color: #f5f5f5; color: #000000;">:</span><span style="background-color: #f5f5f5; color: #0000ff;">1500px</span><span style="background-color: #f5f5f5; color: #000000;">;</span>
<span style="color: #008080;"> 48</span> <span style="background-color: #f5f5f5; color: #ff0000;">    margin</span><span style="background-color: #f5f5f5; color: #000000;">:</span><span style="background-color: #f5f5f5; color: #0000ff;">10px</span><span style="background-color: #f5f5f5; color: #000000;">;</span>
<span style="color: #008080;"> 49</span> <span style="background-color: #f5f5f5; color: #ff0000;">    left</span><span style="background-color: #f5f5f5; color: #000000;">:</span><span style="background-color: #f5f5f5; color: #0000ff;">150px</span><span style="background-color: #f5f5f5; color: #000000;">;</span>
<span style="color: #008080;"> 50</span> <span style="background-color: #f5f5f5; color: #ff0000;">    top</span><span style="background-color: #f5f5f5; color: #000000;">:</span><span style="background-color: #f5f5f5; color: #0000ff;">420px</span><span style="background-color: #f5f5f5; color: #000000;">;</span>
<span style="color: #008080;"> 51</span> <span style="background-color: #f5f5f5; color: #ff0000;">    position</span><span style="background-color: #f5f5f5; color: #000000;">:</span><span style="background-color: #f5f5f5; color: #0000ff;">absolute</span><span style="background-color: #f5f5f5; color: #000000;">;</span><span style="background-color: #f5f5f5; color: #000000;">}</span>
<span style="color: #008080;"> 52</span> <span style="background-color: #f5f5f5; color: #800000;">.f
</span><span style="color: #008080;"> 53</span> <span style="background-color: #f5f5f5; color: #000000;">{</span>
<span style="color: #008080;"> 54</span> <span style="background-color: #f5f5f5; color: #ff0000;">    border</span><span style="background-color: #f5f5f5; color: #000000;">:</span><span style="background-color: #f5f5f5; color: #0000ff;">5px solid blue</span><span style="background-color: #f5f5f5; color: #000000;">;</span>
<span style="color: #008080;"> 55</span> <span style="background-color: #f5f5f5; color: #ff0000;">    width</span><span style="background-color: #f5f5f5; color: #000000;">:</span><span style="background-color: #f5f5f5; color: #0000ff;">240px</span><span style="background-color: #f5f5f5; color: #000000;">;</span>
<span style="color: #008080;"> 56</span> <span style="background-color: #f5f5f5; color: #ff0000;">    height</span><span style="background-color: #f5f5f5; color: #000000;">:</span><span style="background-color: #f5f5f5; color: #0000ff;">150px</span><span style="background-color: #f5f5f5; color: #000000;">;</span>
<span style="color: #008080;"> 57</span> <span style="background-color: #f5f5f5; color: #ff0000;">    margin</span><span style="background-color: #f5f5f5; color: #000000;">:</span><span style="background-color: #f5f5f5; color: #0000ff;">10px</span><span style="background-color: #f5f5f5; color: #000000;">;</span>
<span style="color: #008080;"> 58</span> <span style="background-color: #f5f5f5; color: #ff0000;">    left</span><span style="background-color: #f5f5f5; color: #000000;">:</span><span style="background-color: #f5f5f5; color: #0000ff;">150px</span><span style="background-color: #f5f5f5; color: #000000;">;</span>
<span style="color: #008080;"> 59</span> <span style="background-color: #f5f5f5; color: #ff0000;">    top</span><span style="background-color: #f5f5f5; color: #000000;">:</span><span style="background-color: #f5f5f5; color: #0000ff;">1940px</span><span style="background-color: #f5f5f5; color: #000000;">;</span>
<span style="color: #008080;"> 60</span> <span style="background-color: #f5f5f5; color: #ff0000;">    position</span><span style="background-color: #f5f5f5; color: #000000;">:</span><span style="background-color: #f5f5f5; color: #0000ff;">absolute</span><span style="background-color: #f5f5f5; color: #000000;">;</span><span style="background-color: #f5f5f5; color: #000000;">}</span>
<span style="color: #008080;"> 61</span> <span style="background-color: #f5f5f5; color: #800000;">.g
</span><span style="color: #008080;"> 62</span> <span style="background-color: #f5f5f5; color: #000000;">{</span>
<span style="color: #008080;"> 63</span> <span style="background-color: #f5f5f5; color: #ff0000;">    border</span><span style="background-color: #f5f5f5; color: #000000;">:</span><span style="background-color: #f5f5f5; color: #0000ff;">5px solid blue</span><span style="background-color: #f5f5f5; color: #000000;">;</span>
<span style="color: #008080;"> 64</span> <span style="background-color: #f5f5f5; color: #ff0000;">    width</span><span style="background-color: #f5f5f5; color: #000000;">:</span><span style="background-color: #f5f5f5; color: #0000ff;">740px</span><span style="background-color: #f5f5f5; color: #000000;">;</span>
<span style="color: #008080;"> 65</span> <span style="background-color: #f5f5f5; color: #ff0000;">    height</span><span style="background-color: #f5f5f5; color: #000000;">:</span><span style="background-color: #f5f5f5; color: #0000ff;">1350px</span><span style="background-color: #f5f5f5; color: #000000;">;</span>
<span style="color: #008080;"> 66</span> <span style="background-color: #f5f5f5; color: #ff0000;">    margin</span><span style="background-color: #f5f5f5; color: #000000;">:</span><span style="background-color: #f5f5f5; color: #0000ff;">10px</span><span style="background-color: #f5f5f5; color: #000000;">;</span>
<span style="color: #008080;"> 67</span> <span style="background-color: #f5f5f5; color: #ff0000;">    left</span><span style="background-color: #f5f5f5; color: #000000;">:</span><span style="background-color: #f5f5f5; color: #0000ff;">410px</span><span style="background-color: #f5f5f5; color: #000000;">;</span>
<span style="color: #008080;"> 68</span> <span style="background-color: #f5f5f5; color: #ff0000;">    top</span><span style="background-color: #f5f5f5; color: #000000;">:</span><span style="background-color: #f5f5f5; color: #0000ff;">740px</span><span style="background-color: #f5f5f5; color: #000000;">;</span>
<span style="color: #008080;"> 69</span> <span style="background-color: #f5f5f5; color: #ff0000;">    position</span><span style="background-color: #f5f5f5; color: #000000;">:</span><span style="background-color: #f5f5f5; color: #0000ff;">absolute</span><span style="background-color: #f5f5f5; color: #000000;">;</span><span style="background-color: #f5f5f5; color: #000000;">}</span>    
<span style="color: #008080;"> 70</span> <span style="background-color: #f5f5f5; color: #800000;">.h
</span><span style="color: #008080;"> 71</span> <span style="background-color: #f5f5f5; color: #000000;">{</span>
<span style="color: #008080;"> 72</span> <span style="background-color: #f5f5f5; color: #ff0000;">    border</span><span style="background-color: #f5f5f5; color: #000000;">:</span><span style="background-color: #f5f5f5; color: #0000ff;">5px solid blue</span><span style="background-color: #f5f5f5; color: #000000;">;</span>
<span style="color: #008080;"> 73</span> <span style="background-color: #f5f5f5; color: #ff0000;">    width</span><span style="background-color: #f5f5f5; color: #000000;">:</span><span style="background-color: #f5f5f5; color: #0000ff;">1000px</span><span style="background-color: #f5f5f5; color: #000000;">;</span>
<span style="color: #008080;"> 74</span> <span style="background-color: #f5f5f5; color: #ff0000;">    height</span><span style="background-color: #f5f5f5; color: #000000;">:</span><span style="background-color: #f5f5f5; color: #0000ff;">200px</span><span style="background-color: #f5f5f5; color: #000000;">;</span>
<span style="color: #008080;"> 75</span> <span style="background-color: #f5f5f5; color: #ff0000;">    margin</span><span style="background-color: #f5f5f5; color: #000000;">:</span><span style="background-color: #f5f5f5; color: #0000ff;">10px</span><span style="background-color: #f5f5f5; color: #000000;">;</span>
<span style="color: #008080;"> 76</span> <span style="background-color: #f5f5f5; color: #ff0000;">    left</span><span style="background-color: #f5f5f5; color: #000000;">:</span><span style="background-color: #f5f5f5; color: #0000ff;">150px</span><span style="background-color: #f5f5f5; color: #000000;">;</span>
<span style="color: #008080;"> 77</span> <span style="background-color: #f5f5f5; color: #ff0000;">    top</span><span style="background-color: #f5f5f5; color: #000000;">:</span><span style="background-color: #f5f5f5; color: #0000ff;">2110px</span><span style="background-color: #f5f5f5; color: #000000;">;</span>
<span style="color: #008080;"> 78</span> <span style="background-color: #f5f5f5; color: #ff0000;">    position</span><span style="background-color: #f5f5f5; color: #000000;">:</span><span style="background-color: #f5f5f5; color: #0000ff;">absolute</span><span style="background-color: #f5f5f5; color: #000000;">;</span><span style="background-color: #f5f5f5; color: #000000;">}</span>
<span style="color: #008080;"> 79</span> <span style="background-color: #f5f5f5; color: #800000;">.i
</span><span style="color: #008080;"> 80</span> <span style="background-color: #f5f5f5; color: #000000;">{</span>
<span style="color: #008080;"> 81</span> <span style="background-color: #f5f5f5; color: #ff0000;">    border</span><span style="background-color: #f5f5f5; color: #000000;">:</span><span style="background-color: #f5f5f5; color: #0000ff;">5px solid blue</span><span style="background-color: #f5f5f5; color: #000000;">;</span>
<span style="color: #008080;"> 82</span> <span style="background-color: #f5f5f5; color: #ff0000;">    width</span><span style="background-color: #f5f5f5; color: #000000;">:</span><span style="background-color: #f5f5f5; color: #0000ff;">1000px</span><span style="background-color: #f5f5f5; color: #000000;">;</span>
<span style="color: #008080;"> 83</span> <span style="background-color: #f5f5f5; color: #ff0000;">    height</span><span style="background-color: #f5f5f5; color: #000000;">:</span><span style="background-color: #f5f5f5; color: #0000ff;">200px</span><span style="background-color: #f5f5f5; color: #000000;">;</span>
<span style="color: #008080;"> 84</span> <span style="background-color: #f5f5f5; color: #ff0000;">    margin</span><span style="background-color: #f5f5f5; color: #000000;">:</span><span style="background-color: #f5f5f5; color: #0000ff;">10px</span><span style="background-color: #f5f5f5; color: #000000;">;</span>
<span style="color: #008080;"> 85</span> <span style="background-color: #f5f5f5; color: #ff0000;">    left</span><span style="background-color: #f5f5f5; color: #000000;">:</span><span style="background-color: #f5f5f5; color: #0000ff;">150px</span><span style="background-color: #f5f5f5; color: #000000;">;</span>
<span style="color: #008080;"> 86</span> <span style="background-color: #f5f5f5; color: #ff0000;">    top</span><span style="background-color: #f5f5f5; color: #000000;">:</span><span style="background-color: #f5f5f5; color: #0000ff;">2330px</span><span style="background-color: #f5f5f5; color: #000000;">;</span>
<span style="color: #008080;"> 87</span> <span style="background-color: #f5f5f5; color: #ff0000;">    position</span><span style="background-color: #f5f5f5; color: #000000;">:</span><span style="background-color: #f5f5f5; color: #0000ff;">absolute</span><span style="background-color: #f5f5f5; color: #000000;">;</span><span style="background-color: #f5f5f5; color: #000000;">}</span>
<span style="color: #008080;"> 88</span> <span style="color: #0000ff;"></span><span style="color: #800000;">style</span><span style="color: #0000ff;">></span>
<span style="color: #008080;"> 89</span> <span style="color: #0000ff;"></span><span style="color: #800000;">head</span><span style="color: #0000ff;">></span>
<span style="color: #008080;"> 90</span> 
<span style="color: #008080;"> 91</span> <span style="color: #0000ff;"><span style="color: #800000;">body </span><span style="color: #ff0000;">bgcolor</span><span style="color: #0000ff;">="#F0F0F0"</span><span style="color: #0000ff;">></span>
<span style="color: #008080;"> 92</span> <span style="color: #0000ff;"><span style="color: #800000;">div </span><span style="color: #ff0000;">class</span><span style="color: #0000ff;">="a"</span><span style="color: #0000ff;">></span>a<span style="color: #0000ff;"></span><span style="color: #800000;">div</span><span style="color: #0000ff;">></span>
<span style="color: #008080;"> 93</span> <span style="color: #0000ff;"><span style="color: #800000;">div </span><span style="color: #ff0000;">class</span><span style="color: #0000ff;">="b"</span><span style="color: #0000ff;">></span>b<span style="color: #0000ff;"></span><span style="color: #800000;">div</span><span style="color: #0000ff;">></span>
<span style="color: #008080;"> 94</span> <span style="color: #0000ff;"><span style="color: #800000;">div </span><span style="color: #ff0000;">class</span><span style="color: #0000ff;">="c"</span><span style="color: #0000ff;">></span>c<span style="color: #0000ff;"></span><span style="color: #800000;">div</span><span style="color: #0000ff;">></span>
<span style="color: #008080;"> 95</span> <span style="color: #0000ff;"><span style="color: #800000;">div </span><span style="color: #ff0000;">class</span><span style="color: #0000ff;">="d"</span><span style="color: #0000ff;">></span>d<span style="color: #0000ff;"></span><span style="color: #800000;">div</span><span style="color: #0000ff;">></span>
<span style="color: #008080;"> 96</span> <span style="color: #0000ff;"><span style="color: #800000;">div </span><span style="color: #ff0000;">class</span><span style="color: #0000ff;">="e"</span><span style="color: #0000ff;">></span>e<span style="color: #0000ff;"></span><span style="color: #800000;">div</span><span style="color: #0000ff;">></span>
<span style="color: #008080;"> 97</span> <span style="color: #0000ff;"><span style="color: #800000;">div </span><span style="color: #ff0000;">class</span><span style="color: #0000ff;">="f"</span><span style="color: #0000ff;">></span>f<span style="color: #0000ff;"></span><span style="color: #800000;">div</span><span style="color: #0000ff;">></span>
<span style="color: #008080;"> 98</span> <span style="color: #0000ff;"><span style="color: #800000;">div </span><span style="color: #ff0000;">class</span><span style="color: #0000ff;">="g"</span><span style="color: #0000ff;">></span>g<span style="color: #0000ff;"></span><span style="color: #800000;">div</span><span style="color: #0000ff;">></span>
<span style="color: #008080;"> 99</span> <span style="color: #0000ff;"><span style="color: #800000;">div </span><span style="color: #ff0000;">class</span><span style="color: #0000ff;">="h"</span><span style="color: #0000ff;">></span>h<span style="color: #0000ff;"></span><span style="color: #800000;">div</span><span style="color: #0000ff;">></span>
<span style="color: #008080;">100</span> <span style="color: #0000ff;"><span style="color: #800000;">div </span><span style="color: #ff0000;">class</span><span style="color: #0000ff;">="i"</span><span style="color: #0000ff;">></span>i<span style="color: #0000ff;"></span><span style="color: #800000;">div</span><span style="color: #0000ff;">></span>
<span style="color: #008080;">101</span> <span style="color: #0000ff;"></span><span style="color: #800000;">body</span><span style="color: #0000ff;">></span>
<span style="color: #008080;">102</span> <span style="color: #0000ff;"></span><span style="color: #800000;">html</span><span style="color: #0000ff;">></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span>
View Code

Webpage operation display rendering:

Statement
The content of this article is voluntarily contributed by netizens, and the copyright belongs to the original author. This site does not assume corresponding legal responsibility. If you find any content suspected of plagiarism or infringement, please contact admin@php.cn
Difficulty in updating caching of official account web pages: How to avoid the old cache affecting the user experience after version update?Difficulty in updating caching of official account web pages: How to avoid the old cache affecting the user experience after version update?Mar 04, 2025 pm 12:32 PM

The official account web page update cache, this thing is simple and simple, and it is complicated enough to drink a pot of it. You worked hard to update the official account article, but the user still opened the old version. Who can bear the taste? In this article, let’s take a look at the twists and turns behind this and how to solve this problem gracefully. After reading it, you can easily deal with various caching problems, allowing your users to always experience the freshest content. Let’s talk about the basics first. To put it bluntly, in order to improve access speed, the browser or server stores some static resources (such as pictures, CSS, JS) or page content. Next time you access it, you can directly retrieve it from the cache without having to download it again, and it is naturally fast. But this thing is also a double-edged sword. The new version is online,

How do I use HTML5 form validation attributes to validate user input?How do I use HTML5 form validation attributes to validate user input?Mar 17, 2025 pm 12:27 PM

The article discusses using HTML5 form validation attributes like required, pattern, min, max, and length limits to validate user input directly in the browser.

How to efficiently add stroke effects to PNG images on web pages?How to efficiently add stroke effects to PNG images on web pages?Mar 04, 2025 pm 02:39 PM

This article demonstrates efficient PNG border addition to webpages using CSS. It argues that CSS offers superior performance compared to JavaScript or libraries, detailing how to adjust border width, style, and color for subtle or prominent effect

What are the best practices for cross-browser compatibility in HTML5?What are the best practices for cross-browser compatibility in HTML5?Mar 17, 2025 pm 12:20 PM

Article discusses best practices for ensuring HTML5 cross-browser compatibility, focusing on feature detection, progressive enhancement, and testing methods.

What is the purpose of the <datalist> element?What is the purpose of the <datalist> element?Mar 21, 2025 pm 12:33 PM

The article discusses the HTML <datalist> element, which enhances forms by providing autocomplete suggestions, improving user experience and reducing errors.Character count: 159

What is the purpose of the <progress> element?What is the purpose of the <progress> element?Mar 21, 2025 pm 12:34 PM

The article discusses the HTML <progress> element, its purpose, styling, and differences from the <meter> element. The main focus is on using <progress> for task completion and <meter> for stati

How do I use the HTML5 <time> element to represent dates and times semantically?How do I use the HTML5 <time> element to represent dates and times semantically?Mar 12, 2025 pm 04:05 PM

This article explains the HTML5 <time> element for semantic date/time representation. It emphasizes the importance of the datetime attribute for machine readability (ISO 8601 format) alongside human-readable text, boosting accessibilit

What is the purpose of the <meter> element?What is the purpose of the <meter> element?Mar 21, 2025 pm 12:35 PM

The article discusses the HTML <meter> element, used for displaying scalar or fractional values within a range, and its common applications in web development. It differentiates <meter> from <progress> and ex

See all articles

Hot AI Tools

Undresser.AI Undress

Undresser.AI Undress

AI-powered app for creating realistic nude photos

AI Clothes Remover

AI Clothes Remover

Online AI tool for removing clothes from photos.

Undress AI Tool

Undress AI Tool

Undress images for free

Clothoff.io

Clothoff.io

AI clothes remover

AI Hentai Generator

AI Hentai Generator

Generate AI Hentai for free.

Hot Article

R.E.P.O. Energy Crystals Explained and What They Do (Yellow Crystal)
2 weeks agoBy尊渡假赌尊渡假赌尊渡假赌
Repo: How To Revive Teammates
4 weeks agoBy尊渡假赌尊渡假赌尊渡假赌
Hello Kitty Island Adventure: How To Get Giant Seeds
3 weeks agoBy尊渡假赌尊渡假赌尊渡假赌

Hot Tools

Zend Studio 13.0.1

Zend Studio 13.0.1

Powerful PHP integrated development environment

SublimeText3 Chinese version

SublimeText3 Chinese version

Chinese version, very easy to use

SublimeText3 Linux new version

SublimeText3 Linux new version

SublimeText3 Linux latest version

Notepad++7.3.1

Notepad++7.3.1

Easy-to-use and free code editor

Dreamweaver CS6

Dreamweaver CS6

Visual web development tools