Retina 下的真 1px 的东东现在常见的实现无非就是图片阴影缩放每种都有各自的用处。前段时间写了个“软图片”的实现.border {
background-image:linear-gradient(180deg, red, red 50%, transparent 50%),
linear-gradient(270deg, red, red 50%, transparent 50%),
linear-gradient(0deg, red, red 50%, transparent 50%),
linear-gradient(90deg, red, red 50%, transparent 50%);
background-size: 100% 1px,1px 100% ,100% 1px, 1px 100%;
background-repeat: no-repeat;
background-position: top, right top, bottom, left top;
padding: 10px;
}缺点就是使用背景,使用时可能要配合padding,性能其实测试过,没啥影响。同样的方式也可以搞定分割线,细细滴会好看好多滴。.border {
background-image:linear-gradient(180deg, #cc
...
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