仅在左和右的箱子阴影 [英] Box-Shadow Only on Left and Right

问题描述

我试图在一个只有左右影子的元素上创建一个插入盒阴影。我不能让它工作。

I am attempting to create an inset box-shadow on an element that only has the shadow on the left and right. I cannot get it to work.

这是我试过的盒子阴影：

Here is the box-shadow I tried:

 box-shadow: inset 10px 0px 25px 0px rgba(0,0,0,0.45);

我将为右侧添加另一个。问题是这个设置也显示阴影在顶部和底部，我不能得到它不显示，仍然在左侧显示一个阴影。这是否可能？

I will add another one for the right side. The problem is this setting also shows the shadow slightly on the top and bottom and I cannot get it to not show and still show a shadow on the left side. Is this possible?

jsFiddle

jsFiddle

推荐答案

在 spread-radius（第四个值）缩小阴影。这可以隐藏不需要的顶部和底部阴影。

Use a negative value on spread-radius (4th value) to shrink the shadow. This can hide the unwanted top and bottom shadow.

box-shadow: inset 25px 0px 25px -25px rgba(0,0,0,0.45), inset -25px 0px 25px -25px rgba(0,0,0,0.45);

请参阅 DEMO 。

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