用户:16635128/测试css

/* 导航菜单动画 转自赛马娘WIKI */ .menu-wrap .title_active .wiki-menu-ul-2 { animation: pop 0.3s linear; } .wiki-hoverbox[style*="block"] { animation: pop 0.3s linear; } @keyframes pop { 0% { width: 0; height: 0; } 70% { width:200px; height: auto; } 80% { width: calc(200px + 6px); } 90% { width: calc(200px - 6); } 95% { width: calc(200px + 2px); } 97% { width: calc(200px - 2px); } 100% { width: 200px; height: auto; } }