网页灰色网页灰色

html{

filter: grayscale(100%);

-webkit-filter: grayscale(100%);

-moz-filter: grayscale(100%);

-ms-filter: grayscale(100%);

-o-filter: grayscale(100%);

filter:progid:DXImageTransform.Microsoft.BasicImage(grayscale=1);

}

顶部

<!--灰屏-->

<!--{eval $pp1=time(); //当前时间}-->

<!--{eval $pp2=1585929599;}-->

<!--{eval $pp3=1586015999;}-->

<!--{if ( $pp1 >= $pp2 && $pp1<=$pp3 ) }-->

<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:progid:DXImageTransform.Microsoft.BasicImage(grayscale=1);

}

</style>

<!--{/if}-->

<!--灰屏-->