IE8中负z-index的问题 [英] Issues with negative z-index in IE8

问题描述

我使用两个伪元素在div上创建横幅效果，如下所示：

I am using two pseudo elements to create a banner effect on a div, like so:

div { position: relative; width: 200px; background-color: #999; }
div:before, div:after { content: ""; width: 10px; height: 0; display: block; position: absolute; z-index: -1; top: 10px; border-top: 10px solid #666; border-bottom: 10px solid #666; }
div:before { right: -20px; border-right: 10px solid transparent; border-left: 10px solid #333; }
div:after { left: -20px; border-left: 10px solid transparent; border-right: 10px solid #333; }

在FF，Chrome，Safari和&＃ IE9，但IE8没有运气。 z-index为-1的两个元素显示在父元素上方。有没有办法让这个工作？

It works fine in FF, Chrome, Safari & IE9, but no luck with IE8. The two elements with z-index of -1 show above parent. Is there any way to get this to work?

推荐答案

你应该尝试设置 z-index 1到 div 。

You should try setting a z-index of 1 to div.

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