活動辦法

.box { position: absolute; background-color: rgba(0, 0, 0, 0.8); width: 100%; height: 100vh; z-index: 999; -moz-animation: cssAnimation 0s ease-in 30s forwards; /* Firefox */ -webkit-animation: cssAnimation 0s ease-in 30s forwards; /* Safari and Chrome */ -o-animation: cssAnimation 0s ease-in 30s forwards; /* Opera */ animation: cssAnimation 0s ease-in 30s forwards; -webkit-animation-fill-mode: forwards; animation-fill-mode: forwards; } .box p { display: flex; flex-direction: row; justify-content: center; align-items: center; width: 100%; word-wrap: break-word; height: 60vh; color: #ffffff; } @keyframes cssAnimation { to { width:0; height:0; overflow:hidden; } } @-webkit-keyframes cssAnimation { to { width:0; height:0; visibility:hidden; } } section { /* display: none; */ } header { /* display: none; */ }

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