.pattern-builder__pattern-preview{transition:background-color .2s ease-in-out}.pattern-builder__pattern-preview .pattern-builder__pattern-preview__header button{height:unset;opacity:0;position:absolute;left:0;transition:left .2s ease-in-out,opacity .2s ease-in-out}.pattern-builder__pattern-preview:hover{background-color:#eee;cursor:pointer}.pattern-builder__pattern-preview:hover .pattern-builder__pattern-preview__header button{opacity:1;left:24px}