這篇文章帶給大家的內容是關於如何使用純CSS實現彩虹條紋文字的效果(附代碼),有一定的參考價值,有需要的朋友可以參考一下,希望對你有所幫助。
https://github.com/comehope/front- end-daily-challenges
定義dom,容器中包含文本,並且包含4個 用於特效, 的data-text 屬性值為與文字相同:
<p> web <span></span> <span></span> <span></span> <span></span> </p>
居中顯示:
html, body { height: 100%; display: flex; align-items: center; justify-content: center; background: black; }
定義文字樣式:
.rainbow { color: white; font-size: 300px; text-transform: uppercase; font-family: sans-serif; font-weight: bold; line-height: 1em; position: relative; }
用偽元素增加圖層,形成彩虹效果:
.rainbow span::before, .rainbow span::after { content: attr(data-text); position: absolute; top: 0; left: 0; overflow: hidden; } .rainbow span:nth-child(1)::before { color: orchid; z-index: 1; height: calc(100% - 10% * 1); } .rainbow span:nth-child(1)::after { color: mediumpurple; z-index: 2; height: calc(100% - 10% * 2); } .rainbow span:nth-child(2)::before { color: deepskyblue; z-index: 3; height: calc(100% - 10% * 3); } .rainbow span:nth-child(2)::after { color: cyan; z-index: 4; height: calc(100% - 10% * 4); } .rainbow span:nth-child(3)::before { color: mediumspringgreen; z-index: 5; height: calc(100% - 10% * 5); } .rainbow span:nth-child(3)::after { color: yellow; z-index: 6; height: calc(100% - 10% * 6); } .rainbow span:nth-child(4)::before { color: gold; z-index: 7; height: calc(100% - 10% * 7); } .rainbow span:nth-child(4)::after { color: tomato; z-index: 8; height: calc(100% - 10% * 8); }
增加動畫效果:
.rainbow span::before, .rainbow span::after { animation: animate 0.8s infinite alternate; filter: opacity(0); } @keyframes animate { from { filter: opacity(0); } to { filter: opacity(1); } }
為圖層設定延時,增強動感:
.rainbow span:nth-child(1)::before { animation-delay: calc(0.8s - 0.1s * 1); } .rainbow span:nth-child(1)::after { animation-delay: calc(0.8s - 0.1s * 2); } .rainbow span:nth-child(2)::before { animation-delay: calc(0.8s - 0.1s * 3); } .rainbow span:nth-child(2)::after { animation-delay: calc(0.8s - 0.1s * 4); } .rainbow span:nth-child(3)::before { animation-delay: calc(0.8s - 0.1s * 5); } .rainbow span:nth-child(3)::after { animation-delay: calc(0.8s - 0.1s * 6); } .rainbow span:nth-child(4)::before { animation-delay: calc(0.8s - 0.1s * 7); } .rainbow span:nth-child(4)::after { animation-delay: calc(0.8s - 0.1s * 8); }
最後,把原始文字設定為透明色:
.rainbow { color: transparent; }
大功告成!
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