-loading__spinner--spinner i::before{width:2px;height:25%;content:' ';display:block;margin:0 auto;border-radius:40%;background-color:currentColor}.van-button::before{content:" ";position:absolute;top:50%;left:50%;opacity:0;width:100%;height:100%;border:inherit inherit #000;background-color:#000;border-radius:inherit;-webkit-transform:translate(-50%,-50%);transform:translate(-50%,-50%)}.van-button:active::before{opacity:.1}.van-button--disabled::before,.van-button--loading::before{display:none}.van-button--h