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在footer中需要实现点击不同栏目改变图标颜色的功能,直接切换图片过于麻烦
footer
font awesome
css3
filter
drop-shadow
在这里我使用了方法二,对png与svg图片均适用,其原理为:
png
svg
对于图标而言,我们施加一个不带模糊的投影,那么相当于生成了另一个颜色的图标
我们将原始图标应藏在容器外,而投影图标在容器中间
与 Dian 的连接断开,我们正在尝试重连,请耐心等待