效果圖：
<html>
<head>
<meta charset="UTF-8">
<title>進度條測試</title>
<style type="text/css">
.progress {
overflow: hidden;
height: 20px;
margin-bottom: 20px;
margin-top: 20px;
margin-left: 30px;
background-color: #f7f7f7;
background-image: -moz-linear-gradient(top, #f5f5f5, #f9f9f9);
background-image: -webkit-gradient(linear, 0 0, 0 100%, from(#f5f5f5), to(#f9f9f9));
background-image: -webkit-linear-gradient(top, #f5f5f5, #f9f9f9);
background-image: -o-linear-gradient(top, #f5f5f5, #f9f9f9);
background-image: linear-gradient(to bottom, #f5f5f5, #f9f9f9);
background-repeat: repeat-x;
filter: progid:DXImageTransform.Microsoft.gradient(startColorstr='#fff5f5f5', endColorstr='#fff9f9f9', GradientType=0);
-webkit-box-shadow: inset 0 1px 2px rgba(0, 0, 0, 0.1);
-moz-box-shadow: inset 0 1px 2px rgba(0, 0, 0, 0.1);
box-shadow: inset 0 1px 2px rgba(0, 0, 0, 0.1);
-webkit-border-radius: 4px;
-moz-border-radius: 4px;
border-radius: 4px;
width:408px;
margin-right:12px;
}
.progress .bar {
width: 0%;
height: 100%;
color: #ffffff;
float: left;
font-size: 12px;
text-align: center;
align-items: center;
display: flex;
justify-content: center;
text-shadow: 0 -1px 0 rgba(0, 0, 0, 0.25);
background-color: #0e90d2;
background-image: -moz-linear-gradient(top, #149bdf, #0480be);
background-image: -webkit-gradient(linear, 0 0, 0 100%, from(#149bdf), to(#0480be));
background-image: -webkit-linear-gradient(top, #149bdf, #0480be);
background-image: -o-linear-gradient(top, #149bdf, #0480be);
background-image: linear-gradient(to bottom, #149bdf, #0480be);
background-repeat: repeat-x;
filter: progid:DXImageTransform.Microsoft.gradient(startColorstr='#ff149bdf', endColorstr='#ff0480be', GradientType=0);
-webkit-box-shadow: inset 0 -1px 0 rgba(0, 0, 0, 0.15);
-moz-box-shadow: inset 0 -1px 0 rgba(0, 0, 0, 0.15);
box-shadow: inset 0 -1px 0 rgba(0, 0, 0, 0.15);
-webkit-box-sizing: border-box;
-moz-box-sizing: border-box;
box-sizing: border-box;
-webkit-transition: width 0.6s ease;
-moz-transition: width 0.6s ease;
-o-transition: width 0.6s ease;
transition: width 0.6s ease;
}
</style>
</head>
<body style="margin:0 0 0 0;">
<div class="progress">
<div class="bar" style="width: 60%;">60%</div>
</div>
</body>
</html>
