MediaWiki:Common.css

.mw-wiki-logo {
    background-image: url(https://s1.imagehub.cc/images/2023/05/07/icon.webp);
    background-size: contain !important;
    -webkit-border-radius: 1em;
    -khtml-border-radius: 1em;
    -moz-border-radius: 1em;
    -o-border-radius: 1em;
    border-radius: 1em;
    -webkit-transform: scale(0.9);
    -moz-transform: scale(0.9);
    transform: scale(0.9);
}

.red-checker {
	color:#e00000;
	background-color: #F8F9FA;
	opacity: 0.8;
	background-image:  linear-gradient(135deg, #f8dddd 25%, transparent 25%), linear-gradient(225deg, #f8dddd 25%, transparent 25%), linear-gradient(45deg, #f8dddd 25%, transparent 25%), linear-gradient(315deg, #f8dddd 25%, #F8F9FA 25%);
	background-position:  11px 0, 11px 0, 0 0, 0 0;
	background-size: 11px 11px;
	background-repeat: repeat;
}