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<!-- 在网页的 head 部分加入以下内容,可以将网页改为黑白悼念模式 --> | |
<meta http-equiv="X-UA-Compatible" content="IE=EmulateIE7" /> | |
<style type="text/css"> | |
html { | |
filter: grayscale(100%); | |
-webkit-filter: grayscale(100%); | |
-moz-filter: grayscale(100%); | |
-ms-filter: grayscale(100%); | |
-o-filter: grayscale(100%); | |
filter: url(data:image/svg+xml;utf8,;#grayscale); |
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