這篇文章主要介紹使用純CSS怎么實(shí)現(xiàn)圓點(diǎn)錯(cuò)覺的效果,文中介紹的非常詳細(xì),具有一定的參考價(jià)值,感興趣的小伙伴們一定要看完!
https://github.com/comehope/front-end-daily-challenges
代碼解讀此項(xiàng)目無用戶自定義的 dom 元素,利用系統(tǒng)默認(rèn)的元素作為容器。
定義頁面尺寸,背景設(shè)置為黑色:
body { margin: 0; width: 100vw; height: 100vh; background-color: black; }
用線性漸變畫出一橫一豎二條灰色的細(xì)線:
body { margin: 0; width: 100vw; height: 100vh; background-color: black; background-image: linear-gradient( to bottom, #555 2vmin, transparent 2vmin ), linear-gradient( to right, #555 2vmin, transparent 2vmin ); }
用徑向漸變?cè)谧笊辖钱嬕粋€(gè)白色的圓點(diǎn):
body { margin: 0; width: 100vw; height: 100vh; background-color: black; background-image: radial-gradient( circle at 1vmin 1vmin, white 1vmin, transparent 1vmin ), linear-gradient( to bottom, #555 2vmin, transparent 2vmin ), linear-gradient( to right, #555 2vmin, transparent 2vmin ); }
平鋪背景:
body { margin: 0; width: 100vw; height: 100vh; background-color: black; background-image: radial-gradient( circle at 1vmin 1vmin, white 1vmin, transparent 1vmin ), linear-gradient( to bottom, #555 2vmin, transparent 2vmin ), linear-gradient( to right, #555 2vmin, transparent 2vmin ); background-size: 10vmin 10vmin; }
為避免圓點(diǎn)緊貼在左側(cè)和頂部,為背景增加一點(diǎn)偏移量:
body { margin: 0; width: 100vw; height: 100vh; background-color: black; background-image: radial-gradient( circle at 1vmin 1vmin, white 1vmin, transparent 1vmin ), linear-gradient( to bottom, #555 2vmin, transparent 2vmin ), linear-gradient( to right, #555 2vmin, transparent 2vmin ); background-size: 10vmin 10vmin; background-position: 5vmin 5vmin; }
現(xiàn)在,如果視線在頁面中移動(dòng),就會(huì)看到黑色小圓點(diǎn),這實(shí)際上是錯(cuò)覺。
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