CSS 置灰html { filter: grayscale(100%); -webkit-filter: grayscale(100%); -moz-filter: grayscale(100%); -ms-filter: grayscale(100%); -o-filter: grayscale(100%); -webkit-filter: grayscale(1); } ``` #Scriptvia 自留地

CSS 置灰

html {
  filter: grayscale(100%);
  -webkit-filter: grayscale(100%);
  -moz-filter: grayscale(100%);
  -ms-filter: grayscale(100%);
  -o-filter: grayscale(100%);
  -webkit-filter: grayscale(1);
}
``` #Script

via 自留地