由 dawei 副标题#e#
渐变的灵活运结合其他一些CSS3的特性的运用画出的简易版围棋
效果图
实现代码
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<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<meta name="viewport" content="width=device-width, initial-scale=1.0">
<meta http-equiv="X-UA-Compatible" content="ie=edge">
<title>CSS3:画简易围棋：chess</title>
<style>
html {
font-size: 50px;
}
.chessboard {
-webkit-box-shadow: .1rem .1rem .05rem rgba(0,0,0,.5),
-.1rem -.1rem .05rem rgba(0,0,0,.5) ;
box-shadow: .1rem .1rem .05rem rgba(0,0,0,.5),
-.1rem -.1rem .05rem rgba(0,0,0,.5) ;
height: calc(19rem + 0.04rem);
width: calc(19rem + 0.04rem);
background: #daca39;
background-image: -webkit-gradient(linear, left top, left bottom, color-stop(0.04rem, white), color-stop(0, transparent)), -webkit-gradient(linear, left top, right top, color-stop(0.04rem, white), color-stop(0, transparent));
background-image: -webkit-linear-gradient(white 0.04rem, transparent 0), -webkit-linear-gradient(left, white 0.04rem, transparent 0);
background-image: linear-gradient(white 0.04rem, transparent 0), linear-gradient(90deg, white 0.04rem, transparent 0);
-webkit-background-size: 1rem 1rem;
background-size: 1rem 1rem;
}
.chess {
position: relative;
height: 1rem;
width: 1rem;
border-radius: 0.5rem;
#p#副标题#e#
-webkit-box-shadow: .01rem .01rem .1rem rgba(0, 0, 0, .5), 0 0 .05rem rgba(240, 240, 240, .5), .05rem .05rem .01rem rgba(255, 255, 255, .15) inset, .1rem .1rem .1rem rgba(255, 255, 255, .05) inset, -.05rem -.05rem .25rem rgba(0, 0, 0, .15) inset, -.1rem -.1rem .35rem rgba(0, 0, 0, .05) inset;
#p#副标题#e#
box-shadow: .01rem .01rem .1rem rgba(0, 0, 0, .5), 0 0 .05rem rgba(240, 240, 240, .5), .05rem .05rem .01rem rgba(255, 255, 255, .15) inset, .1rem .1rem .1rem rgba(255, 255, 255, .05) inset, -.05rem -.05rem .25rem rgba(0, 0, 0, .15) inset, -.1rem -.1rem .35rem rgba(0, 0, 0, .05) inset;
}
.chess-white {
left:.5rem;
top:.5rem;
background: #EEE;
}
.chess-black {
background: #000;
left:10.5rem;
top:10.5rem;
}
</style>
</head>
<body>
<div class="chessboard">
<div class="chess chess-white"></div>
<div class="chess chess-black"></div>
</div>
</body>
</html>
总结
注意点：
阴影和渐变是可以多重覆盖应用的，控制好可以制作很多不错的效果
可以用rem结合calc来实现精准控制（棋盘的大小，棋子等）
阴影不单单只有偏移量和扩散范围，还能控制外阴影还是内阴影（默认是外阴影 ，内阴影写在最后一个参数 inset）
rem是计算的依旧是根元素的字体大小（html的font-size,常规浏览器默认是16px,也可以手动设置）