.slide-line{text-decoration:none;color:#000;position:relative}.slide-line::before{content:"";position:absolute;background:#000;width:100%;height:1px;bottom:0;transform-origin:100% 0;transform:scaleX(1);transition:transform .4s}.slide-line:hover::before{transform-origin:0 0;transform:scaleX(0)}.slide-line-blanc{text-decoration:none;color:#ffffff;position:relative}.slide-line-blanc::before{content:"";position:absolute;background:#ffffff;width:100%;height:1px;bottom:0;transform-origin:100% 0;transform:scaleX(1);transition:transform .4s}.slide-line-blanc:hover::before{transform-origin:0 0;transform:scaleX(0)}