<!DOCTYPE html>
<html>
<head>
<meta charset="utf-8" />
<meta name="viewport" content="width=device-width, initial-scale=1.0, maximum-scale=1.0, user-scalable=no" />
<title>像素为1px</title>
<style type="text/css">
.border {
position: relative;
margin-bottom: 20px;
}
.border:after {
content: '';
display: block;
position: absolute;
width: 100%;
left: 0px;
bottom: 0px;
height: 1px;
background-color: red;
-webkit-transform: scaleY(0.5);
transform: scaleY(0.5);
}
.border3 {
width: 100%;
height: 40px;
border: 1px solid red;
margin-bottom: 20px;
}
.border2 {
margin: 50px;
background: -webkit-gradient(linear, left top, left bottom, color-stop(.5, transparent), color-stop(.5, #ccc), to(#ccc)) left bottom repeat-x;
background-size: 100% 1px;
}
</style>
</head>
<body>
<div class="border">像素为1px解决方法一</div>
<div class="border2">像素为1px解决方法二</div>
<div class="border3">像素为1px解决方法二</div>
</body>
</html>
