css图片放大 · 前端学习笔记

``` <!doctype html> <html> <head> <meta charset="UTF-8"> <meta name="viewport" content="width=device-width, user-scalable=no, initial-scale=1.0, maximum-scale=1.0, minimum-scale=1.0"> <meta http-equiv="X-UA-Compatible" content="ie=edge"> <title>Document</title> <style> html { box-sizing: border-box; font-family: "Nothing You Could Do"; } *, *:before, *:after { box-sizing: inherit; } html, body { height: 100%; } body { background-color: #F1F1F1; display: -webkit-box; display: -ms-flexbox; display: flex; -webkit-box-pack: center; -ms-flex-pack: center; justify-content: center; -webkit-box-align: center; -ms-flex-align: center; align-items: center; } .heading { position: fixed; bottom: 0; right: 0; margin: 2vmin 3vmin; color: #999; } .card-container { position: relative; width: 65vmin; height: 80vmin; } .card { position: absolute; top: 0; left: 0; width: 100%; height: 100%; background-color: #fafafa; border-radius: 2px; box-shadow: 2px 2px 5px rgba(17, 17, 17, 0.35); -webkit-transition: -webkit-transform .35s ease-out; transition: -webkit-transform .35s ease-out; transition: transform .35s ease-out; transition: transform .35s ease-out, -webkit-transform .35s ease-out; -webkit-transform: translate(var(--x), var(--y)) scale(0.35) rotate(var(--angle)); transform: translate(var(--x), var(--y)) scale(0.35) rotate(var(--angle)); will-change: transform; } .card:hover { -webkit-transform: scale(1) rotate(0deg); transform: scale(1) rotate(0deg); z-index: 1; } .card:hover:before { opacity: 1; } .card:before { content: ""; display: block; width: 90%; height: 80%; margin: 5%; background: var(--image) center center no-repeat; background-size: cover; box-shadow: inset 0 0 5px rgba(34, 34, 34, 0.35); border-radius: 2px; -webkit-filter: sepia(0.2) brightness(0.9) contrast(1.2); filter: sepia(0.2) brightness(0.9) contrast(1.2); -webkit-transition: opacity .35s ease-out; transition: opacity .35s ease-out; opacity: .5; will-change: opacity; } .card:after { display: block; content: var(--caption); font-weight: 500; color: #555; font-size: 3vmin; opacity: .75; text-align: center; } </style> </head> <body> <h1 class="heading">Polaroid Memories</h1> <div class="card-container"> <div class="card" style="--image: url('http://www.jq22.com/demo/jqueryCorner201709040902/images/01.png'); --angle: -5deg; --x: 5%; --y: 15%; --caption: 'Berlin in 2009'"></div> <div class="card" style="--image: url('http://www.jq22.com/demo/jqueryCorner201709040902/images/02.png'); --angle: -1deg; --x: -10%; --y: -20%; --caption: 'London, 2001'"></div> <div class="card" style="--image: url('http://www.jq22.com/demo/jqueryCorner201709040902/images/03.png'); --angle: -4deg; --x: -20%; --y: 5%; --caption: 'Los Angeles - 2004'"></div> </div> </body> </html> ```