Discuz在后台 全局》站点信息 的 第三方统计代码框里输入已下代码即可


<style> 
    html { 
        -webkit-filter: grayscale(100%); 
        -moz-filter: grayscale(100%); 
        -ms-filter: grayscale(100%); 
        -o-filter: grayscale(100%); 
        filter:progid:DXImageTransform.Microsoft.BasicImage(grayscale=1);  
        _filter:none; 
    } 
</style>

Last modification：December 13, 2017
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