@keyframes totop { from { transform: translateY(100vh); } to { transform: translateY(-30em); } } .danmaku { position: fixed; top: 0; transform: translateY(100vh); writing-mode: vertical-rl; white-space: nowrap; z-index: 1000; line-height: 1; } /* [[Category:在模板名字空间下的CSS页面]] */