background: transparent
时间: 2023-09-03 07:11:46 浏览: 54
在CSS中,`background: transparent`是用来将背景颜色设置为透明的属性。它等价于`background-color: transparent`。默认情况下,背景颜色的属性是透明的,所以写与不写`background: transparent`是一样的效果。然而,在某些场景下,我们可能需要显式地设置背景颜色为透明。一个常见的应用场景是在某个元素上叠加其他内容时,为了让底层的内容能够透过背景显示出来,我们可以将背景颜色设置为透明。这样就可以实现一些特殊的视觉效果。<span class="em">1</span><span class="em">2</span><span class="em">3</span>
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