.copy-btn{mix-blend-mode:difference;position:relative}.copy-btn:before{content:"";transform-origin:0;width:100%;height:1px;transition:transform .5s;transition-timing-function:var(--cstm-cubic-bezier);background-color:currentColor;position:absolute;bottom:0;left:0;transform:scaleX(0)}.copy-btn:hover:before{transform:scaleX(1)}.copy-btn--copied{cursor:not-allowed}.copy-btn--copied:before{transform:scaleX(1)}