查看“︁MediaWiki:Common.css”︁的源代码

/* 这里放置的CSS将应用于所有皮肤 */

/* Template: Tip */
/* Source: https://templatemanager.huijiwiki.com/wiki/%E9%9B%B6%E4%BB%B6:TipGreen.css */
.explain {
    position: relative;
	display: inline-flex;
    flex-direction: column;
    color: var(--a);
    /* cursor: help; */
    text-decoration-line: underline;
    text-decoration-style: dashed;
}
 
.explain .explain-text {
    background: rgba(0, 0, 0, 0.9) fixed;
    color: #fff;
    font-size: 13px;
 
    width: max-content;
    max-width: 18em;
    visibility: hidden;
    opacity: 0.0;
    border-radius: 2px;
    padding: 4px;
    position: absolute;
    bottom: 110%;
    transition: all .5s;
    align-self: center;
    line-height: initial;
}
 
.explain .explain-text::after {
    content: " ";
    position: absolute;
    top: 100%;
    left: 50%;
    margin-left: -5px;
    border: 5px solid;
    border-color: rgba(0, 0, 0, 0.9) transparent transparent;
}
 
.explain:hover .explain-text {
    visibility: visible;
    opacity: 1.0;
    transition: all .5s;
}