Method: 1. Use the "a{color: color value;}" statement to set the text color of the a label; 2. Use the "a{background-color: color value;}" statement to set the background of the a label color. Color values can be defined using color names, hexadecimal values, RGB or RGBA values, HSL or HSLA values.
The operating environment of this tutorial: Windows 7 system, CSS3&&HTML5 version, Dell G3 computer.
css sets a label color
Method 1: Use the color attribute to set the text color
The Color property specifies the color of the text.
Example:
<a href="#">a标签元素</a>
The default text color is:
a{color: red;}Rendering :
Method 2: Use the background-color attribute to set the background color
The background-color attribute sets the background color of an element. The background of an element is the total size of the element, including padding and borders (but not margins). Example:a{background-color: peru;}Rendering:
css video tutorial)
How to write css color values:
1. Use the color name
Although it has already been named There are about 184 colors, but they are truly supported by various browsers, and there are only 16 color names recommended as CSS specifications, as shown in the table below. Table 1: Color names recommended by CSS specifications/*名 称 颜 色 名 称 颜 色 名 称 颜 色 black 纯黑 silver 浅灰 navy 深蓝 blue 浅蓝 green 深绿 lime 浅绿 teal 靛青 aqua 天蓝 maroon 深红 red 大红 purple 深紫 fuchsia 品红 olive 褐黄 yellow 明黄 gray 深灰 white 壳白*/It is not recommended to use color names in web pages, especially large-scale use, to avoid that some color names are not parsed by the browser, or are different Differences in how browsers interpret colors.
2. Hexadecimal color
Hexadecimal symbols #RRGGBB and #RGB (such as #ff0000). "#" followed by 6 or 3 hexadecimal characters (0-9, A-F). This is the most commonly used color selection method, for example:#f03 #F03 #ff0033 #FF0033
3, RGB, red-green-blue (RGB)
The color value is specified as the color of the rgb code. The function format is rgb(R,G,B), and the value can be an integer or percentage from 0-255.rgb(255,0,51) rgb(255, 0, 51) rgb(100%,0%,20%) rgb(100%, 0%, 20%)Extensions: RGBA, Red-Green-Blue-Alpha (RGBa)RGBA extends the RGB color mode to include an alpha channel, allowing the transparency of a color to be set. a represents transparency: 0=transparent; 1=opaque.
rgba(255,0,0,0.1) /* 10% 不透明 */ rgba(255,0,0,0.4) /* 40% 不透明 */ rgba(255,0,0,0.7) /* 70% 不透明 */ rgba(255,0,0, 1) /* 不透明，即红色 */
4. HSL, hue-saturation-lightness (Hue-saturation-lightness)
Hue (Hue) represents the color circle (that is, a circle representing a rainbow) ring) at an angle.Saturation and brightness are expressed as percentages.
100% is full saturation, while 0% is a grayscale.
100% lightness is white, 0% lightness is black, and 50% lightness is "normal".
hsl(120,100%,25%) /* 深绿色 */ hsl(120,100%,50%) /* 绿色 */ hsl(120,100%,75%) /* 浅绿色 */Extension: HSLA, Hue-Saturation-Lightness-Alpha (HSLa)HSLa extends from the HSL color mode and includes the alpha channel, which can specify the transparency of a color. a represents transparency: 0=transparent; 1=opaque.
hsla(240,100%,50%,0.05) /* 5% 不透明 */ hsla(240,100%,50%, 0.4) /* 40% 不透明 */ hsla(240,100%,50%, 0.7) /* 70% 不透明 */ hsla(240,100%,50%, 1) /* 完全不透明 */
5, transparent
Special color value, indicating transparent color. Can be used directly as color. For example: color:transparent Set the font color to transparent<style type="text/css">
body{background:hsl(270,100%,50%)}
p{
font-size:50px;
font-family:"黑体";
/*浏览器私有属性*/
-webkit-text-fill-color:transparent;/*设置文本透明*/
/*使用rgba(0,0,0,0);也可以实现全透明模式*/
-webkit-text-stroke:2px yellow;/*将文本设置透明，再设置个边框后就实现镂空字了*/
/*W3C标准属性*/
/*text-fill-color:transparent;*/
/*text-stroke:2px yellow;*/
}
</style>
<body>
<p>2012年过去了，最忙的是元芳，你怎么看？</p>
</body>For more programming-related knowledge, please visit: Introduction to Programming! !
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