前端每日实战:74# 视频演示如何用纯 CSS 创作一台 MacBook Pro
效果预览
按下右侧的“点击预览”按钮可以在当前页面预览,点击链接可以全屏预览。
https://codepen.io/comehope/pen/MXNNyR
可交互视频
此视频是可以交互的,你可以随时暂停视频,编辑视频中的代码。
请用 chrome, safari, edge 打开观看。
https://scrimba.com/p/pEgDAM/cyEPrue
源代码下载
每日前端实战系列的全部源代码请从 github 下载:
https://github.com/comehope/front-end-daily-challenges
代码解读
定义 dom,容器中包含 2 个元素,分别代表屏幕和底座:
<div class="macbook"> <span class="screen"></span> <span class="base"></span> </div>
居中显示:
body { margin: 0; height: 100vh; display: flex; align-items: center; justify-content: center; background: radial-gradient(circle at center, white, gray); }
定义容器尺寸:
.macbook { width: 50em; font-size: 10px; display: flex; flex-direction: column; align-items: center; }
画出屏幕的轮廓:
.screen { width: 40em; height: calc(40em * 0.667); background-color: black; border-radius: 3% 3% 0 0 / 5%; border: 0.2em solid silver; border-bottom: none; position: relative; }
画出屏幕上的光影:
.screen { position: relative; } .screen::before { content: ''; position: absolute; top: 0; right: 0; bottom: 0; left: 0; background: radial-gradient( circle at right bottom, rgba(255, 255, 255, 0.4) 75%, rgba(255, 255, 255, 0.6) 75% ); margin: 4.3% 3.2%; }
画出底座的轮廓:
.base { position: relative; } .base { width: inherit; height: 1.65em; background: linear-gradient( white, white 55%, #999 60%, #222 90%, rgba(0, 0, 0, 0.1) 100% ); border-radius: 0 0 10% 10% / 0 0 50% 50%; }
为底座增加光照效果:
.base::before { content: ''; position: absolute; width: inherit; height: 55%; background: linear-gradient( to right, rgba(0, 0, 0, 0.5) 0%, rgba(255, 255, 255, 0.8) 1%, rgba(0, 0, 0, 0.4) 4%, transparent 15%, rgba(255, 255, 255, 0.8) 50%, transparent calc(100% - 15%), rgba(0, 0, 0, 0.4), calc(100% - 4%), rgba(255, 255, 255, 0.8) calc(100% - 1%), rgba(0, 0, 0, 0.5) 100% ); }
画出底座上用于掀开屏幕的缺口:
.base::after { content: ''; position: absolute; width: 7em; height: 0.7em; background-color: #ddd; left: calc(50% - 7em / 2); box-shadow: inset -0.5em -0.1em 0.3em rgba(0, 0, 0, 0.2), inset 0.5em 0.1em 0.3em rgba(0, 0, 0, 0.2); border-radius: 0 0 7% 7% / 0 0 95% 95%; }
大功告成!
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