col-anim
.collapsible-block-content{ opacity:0; max-height:0; animation:change 3s linear both; } @keyframes change { 20% { opacity:0.7; max-height: 20rem; } 100% { opacity:1; max-height:99999rem; } }
ページリビジョン: 20, 最終更新: 21 Apr 2019 15:58