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HomeWeb Front-endHTML Tutorialcss3背景颜色渐变属性 兼容性测试基础环境为:windows系统;IE6.0+, Firefox4.0+, Chrome4.0+, Safari4.0+, Opera15.0+_html/css_WEB-ITnose

css3背景颜色渐变属性 兼容性测试基础环境为:windows系统;IE6.0+, Firefox4.0+, Chrome4.0+, Safari4.0+, Opera15.0+

语法:

:linear-gradient([ ,]? [, ]+);

:[ left | right ]? [ top | bottom ]? || ?

 [  |  ]?

取值:

left: 设置左边为渐变起点的横坐标值。 right: 设置右边为渐变起点的横坐标值。 top: 设置顶部为渐变起点的纵坐标值。 bottom: 设置底部为渐变起点的纵坐标值。 : 用角度值指定渐变的方向(或角度)。 : 指定渐变的起止颜色。

: 指定颜色。请参阅颜色值 : 用长度值指定起止色位置。不允许负值 : 用百分比指定起止色位置。

说明:

用线性渐变创建图像。

  • Firefox还支持使用和center特殊值定义渐变起点,并支持起点与角度一起使用。
  • 示例代码:


    (图一)

    linear-gradient(#fff,#333);linear-gradient(top,#fff,#333);linear-gradient(bottom,#333,#fff);linear-gradient(-90deg,#fff,#333);

    以上几句代码都可以实现如(图一)的渐变效果

  • 兼容性:

  • 浅绿 = 支持
  • 红色 = 不支持
  • 粉色 = 部分支持
  • IE Firefox Safari Chrome Opera
    6-9 #1 4.0-15.0 -moz- 4.0-6.0 -webkit- 4.0-25.0 -webkit- #2 15.0
    10.0 16.0 6.1 26.0
    1. IE5.5-9.0使用私有滤镜来实现该效果: progid:DXImageTransform.Microsoft.Gradient()
    2. chrome4.0-9.0使用更老的语法:-webkit-gradient(linear,…)
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