.skip-link{position:absolute;top:-40px;left:0;background:#0d6efd;color:#fff;padding:8px 16px;z-index:1100;transition:top .2s}.skip-link:focus{top:0;color:#fff}.topic-card:hover{box-shadow:0 2px 8px rgba(0,0,0,.1)}.badge-solucao{background-color:#198754}main{min-height:calc(100vh - 160px)}