css3/gradient.html

<!DOCTYPE html>
<html lang="zh-cn">
<head>
    <meta charset="utf-8">
    <title>CSS3 渐变色</title>
    <!-- 优先使用 IE 最新版本和 Chrome -->
    <meta http-equiv="X-UA-Compatible" content="IE=edge,chrome=1" />
    <style>
        body,
        html {
            padding: 0;
            margin: 0;
            height: 100%;
        }
        body {
            background: url(bg.jpg) center center no-repeat;
            background-size: cover;
        }
        .left,
        .right {
            float: left;
            width: 50%;
            height: 100%;
            background: linear-gradient(to right, #67B26F, #4ca2cd);
            opacity: .5;

        }
        .right {
            background: linear-gradient(to left, #FF4E50, #F9D423);
        }
    </style>
</head>
<body>
    <div class="left"></div>
    <div class="right"></div>
    <script src="https://cdn.bootcss.com/jquery/2.0.0/jquery.min.js"></script>
</body>
</html>