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我是 Web 开发的新手，我刚刚开始为自己的个人网站编写代码。我绝对不知道 html 或 css 的任何语法。通过在线阅读和观看教程，我已经设法创建了我网站的背景渐变，但渐变的表现并不如我所愿。我希望在调整浏览器窗口大小时渐变保持相同的比例。现在渐变根据窗口大小进行拉伸。

请帮忙。这是我到目前为止的css代码

 html {
    height: 100%;
    background: #499bea;
}

body
{
    float:left;
    position:relative;
    height: 100%;
    width: 100%;
    background-position: 0px 0px;
    margin: 0;
    background-repeat: no-repeat;
    background-attachment: fixed;
    background-size:100% 100%;
    -moz-background-size: 100% 100%;
    -webkit-background-size: 100% 100%;
    -o-background-size: 100% 100%;
    background: #499bea;
    background: -moz-radial-gradient(center, ellipse cover, #499bea 0%, #00438a 100%);
    background: -webkit-gradient(radial, center center, 0px, center center, 100%, , color-stop(0%, #499bea), color-stop(100%, #00438a));
    background: -webkit-radial-gradient(center, ellipse cover, #499bea 0%, #00438a 100%);
    background: -o-radial-gradient(center, ellipse cover, #499bea 0%, #00438a 100%);
    background: -ms-radial-gradient(center, ellipse cover, #499bea 0%, #00438a 100%);
    background: radial-gradient(ellipse at center, #499bea 0%, #00438a 100%);
    filter: progid:DXImageTransform.Microsoft.gradient( startColorstr='#499bea', endColorstr='#00438a', GradientType=1 );

}
4

2 回答 2

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摆脱高度并将背景大小切换为覆盖以及其他一些调整应该可以解决问题：

 html {
height: 100%;
background: #499bea;
}

body
{
    float:left;
    position:relative;
    /* Removed height */
    width: 100%;
    margin: 0;
    background: no-repeat center center fixed;
    background-size: cover;
    -moz-background-size: cover;
    -webkit-background-size: cover;
    -o-background-size: cover;
    background: #499bea;
    background: -moz-radial-gradient(center, ellipse cover, #499bea 0%, #00438a 100%);
    background: -webkit-gradient(radial, center center, 0px, center center, 100%, , color-stop(0%, #499bea), color-stop(100%, #00438a));
    background: -webkit-radial-gradient(center, ellipse cover, #499bea 0%, #00438a 100%);
    background: -o-radial-gradient(center, ellipse cover, #499bea 0%, #00438a 100%);
    background: -ms-radial-gradient(center, ellipse cover, #499bea 0%, #00438a 100%);
    background: radial-gradient(ellipse at center, #499bea 0%, #00438a 100%);
    filter: progid:DXImageTransform.Microsoft.gradient( startColorstr='#499bea', endColorstr='#00438a', GradientType=1 );

}

.container { height: 900px; }

JSFiddle：http: //jsfiddle.net/LJY9y/

于 2014-06-14T22:23:42.813 回答
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如果您不希望它被拉伸，请使用circle代替ellipse：

background: radial-gradient(circle at center, #499bea 0%, #00438a 100%);

演示

于 2014-06-14T22:23:58.830 回答