MediaWiki:Common.css

/* 此处的 CSS 将应用于所有的皮肤 */
table.collapsed tr.collapsible {
        display: none;
}
 
.collapseButton {                /* 'show'/'hide' buttons created dynamically by the               */
        float: right;               /* CollapsibleTables JavaScript in [[MediaWiki:Common.js]] */
        font-weight: normal;        /* are styled here so they can be customised.               */
        text-align: right;
        width: auto;
}