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html+css|Floating and positioning of elements
- 高洛峰Original
- 2017-02-09 13:36:482188browse
1. Floating attribute float
Clear floating clear
overflow attribute
visible: The content will not be trimmed and will be presented outside the element box
hidden: The overflow content will be trimmed, and the built content is invisible
auto: Generate scroll bars when needed, that is, adapt to the content to be displayed
scroll: Overflow The content will be trimmed, and the browser will always display the scroll bar
2. Positioning attribute position
static: static positioning
relative: relative positioning
absolute: Absolute positioning
fixed: Fixed positioning
Examples are as follows:
P196
<!doctype html>
<html>
<head>
<meta charset="utf-8">
<title>子元素相对于直接父元素定位</title>
<style type="text/css">
body{ margin:0px; padding:0px; font-size:18px; font-weight:bold;}
.father{
margin:10px auto;
width:300px;
height:300px;
padding:10px;
background:#ccc;
border:1px solid #000;
position:relative;
}
.child01,.child02,.child03{
width:100px;
height:50px;
line-height:50px;
background:#ff0;
border:1px solid #000;
margin:10px 0px;
text-align:center;
}
.child02{
position:absolute;
left:50px;
top:100px;
z-index:1000;
}
.child03{
position:absolute;
left:10px;
top:80px;
z-index:100;
}
</style>
</head>
<body>
<div class="father">
<div class="child01">child-01</div>
<div class="child02">child-02</div>
<div class="child03">child-03</div>
</div>
</body>
</html>3. Create a focus image for the car music page page
The following code:
<!doctype html>
<html>
<head>
<meta charset=”utf-8”>
<title>车载音乐页面</title>
</head>
<body>
<div>
<img src=”images/11.jpg”alt=”车载音乐”>
<a href=”#”class=”left”></a>
<a href=”#”class=”right”></a>
<ul>
<li class=”max”></li>
<li></li>
<li></li>
<li></li>
<li></li>
<li></li>
</ul>
</div>
</body>
</html>Define css style sheet
*{margin:0;padding:0;border:0;list-style:none;}
a{text-decoration:none;font-size:30px;color:#fff;}
div{
width:580px;
height:200px;
margin:50px auto;
position:relative;
}
a{
float:left;
width:25px;
height:90px;
line-height:90px;
background:#333;
opacity:0.7;
border-radius:4px;
text-align:center;
display:none;
cursor;pointer;
}
.left{
position:absolute;
left:-12px;
top:60px;
}
.right{
position:absolute;
right:-12px;
top:60px;
}
div:hover a{
display:block;
}
ul{
width:110px;
height:20px;
background:#333;
opacity:0.5;
border-radius:8px;
position:absolute;
right:30px;
bottom:20px;
text-align:center;
}
li{
width:5px;
height:5px;
background:#ccc;
border-radius:50%;
display:inline-block;
}
.max{
width:12px;
background:#03BDE4;
border-radius:6px;
}For more articles related to the floating and positioning of html+css| elements, please pay attention to the PHP Chinese website!