CSS:渐变标题100%的屏幕宽度,除非页面滚动

时间:2013-03-01 05:07:40

标签: javascript css header scroll gradient

我到处寻找这个,只能找到背景渐变的解决方案。

这个让我感到难过,所以......在这里。

我有一个渐变标题。我希望它的宽度是屏幕的宽度。除了滚动到侧面时,在调整窗口大小时,一切正常。我的渐变然后转向白色空间。

内容需要保持较大的固定宽度。在我的实际页面的HTML中,标题包含在包装器和另一个div中。如果解决方案是在CSS中的HTML中,那就太好了,但如果前者不可能,那么javascript和jquery会这样做。

我做了一个js小提琴,显示出这个问题。 http://jsfiddle.net/WvHYM/18/

这是html

<body>
    <div id="wrapper">
        <div id="header">&nbsp</div>
        <div id="content">This is the content</div>
    </div>
</body>

和css它包含渐变所以它是一个野兽

html, body{
    width:100%;
}

#wrapper{
    width:100%;
}
#header {
    height: 75px;
    width: 100%;
    background: #7d7e7d; /* Old browsers */ /* IE9 SVG, needs conditional override of 'filter' to 'none' */
    background: url(data:image/svg+xml;base64, PD94bWwgdmVyc2lvbj0iMS4wIiA/Pgo8c3ZnIHhtbG5zPSJodHRwOi8vd3d3LnczLm9yZy8yMDAwL3N2ZyIgd2lkdGg9IjEwMCUiIGhlaWdodD0iMTAwJSIgdmlld0JveD0iMCAwIDEgMSIgcHJlc2VydmVBc3BlY3RSYXRpbz0ibm9uZSI+CiAgPHJhZGlhbEdyYWRpZW50IGlkPSJncmFkLXVjZ2ctZ2VuZXJhdGVkIiBncmFkaWVudFVuaXRzPSJ1c2VyU3BhY2VPblVzZSIgY3g9IjUwJSIgY3k9IjUwJSIgcj0iNzUlIj4KICAgIDxzdG9wIG9mZnNldD0iMCUiIHN0b3AtY29sb3I9IiM3ZDdlN2QiIHN0b3Atb3BhY2l0eT0iMSIvPgogICAgPHN0b3Agb2Zmc2V0PSIxMDAlIiBzdG9wLWNvbG9yPSIjMGUwZTBlIiBzdG9wLW9wYWNpdHk9IjEiLz4KICA8L3JhZGlhbEdyYWRpZW50PgogIDxyZWN0IHg9Ii01MCIgeT0iLTUwIiB3aWR0aD0iMTAxIiBoZWlnaHQ9IjEwMSIgZmlsbD0idXJsKCNncmFkLXVjZ2ctZ2VuZXJhdGVkKSIgLz4KPC9zdmc+);
    background: -moz-radial-gradient(center, ellipse cover, #7d7e7d 0%, #0e0e0e 100%); /* FF3.6+ */
    background: -webkit-gradient(radial, center center, 0px, center center, 100%, color-stop(0%, #7d7e7d), color-stop(100%, #0e0e0e)); /* Chrome,Safari4+ */
    background: -webkit-radial-gradient(center, ellipse cover, #7d7e7d 0%, #0e0e0e 100%); /* Chrome10+,Safari5.1+ */
    background: -o-radial-gradient(center, ellipse cover, #7d7e7d 0%, #0e0e0e 100%); /* Opera 12+ */
    background: -ms-radial-gradient(center, ellipse cover, #7d7e7d 0%, #0e0e0e 100%); /* IE10+ */
    background: radial-gradient(ellipse at center, #7d7e7d 0%, #0e0e0e 100%); /* W3C */
    filter: progid:DXImageTransform.Microsoft.gradient(startColorstr='#7d7e7d', endColorstr='#0e0e0e', GradientType=1); /* IE6-8 fallback on horizontal gradient */
}
#content {
    width: 600px;
    height: 200px;
    background-color: #ccc;
    padding: 20px;
    font-family: Lucida Sans Unicode;
}

以下是该问题的一些图片。

This is fine

Not cool!

答案非常感谢。 :)

3 个答案:

答案 0 :(得分:1)

HTML

<body>
    <div class="wrapper"><div>&nbsp</div></div>
    <div>This is the content</div>
</body>

CSS

body{
    width:100%;
}
.wrapper {
    width:100%;
}
div:first-of-type {
    height:75px;
    width:100%;
    background: #7d7e7d;
    /* Old browsers */
    /* IE9 SVG, needs conditional override of 'filter' to 'none' */
    background: url(data:image/svg+xml;
    base64, 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);
    background: -moz-radial-gradient(center, ellipse cover, #7d7e7d 0%, #0e0e0e 100%);
    /* FF3.6+ */
    background: -webkit-gradient(radial, center center, 0px, center center, 100%, color-stop(0%, #7d7e7d), color-stop(100%, #0e0e0e));
    /* Chrome,Safari4+ */
    background: -webkit-radial-gradient(center, ellipse cover, #7d7e7d 0%, #0e0e0e 100%);
    /* Chrome10+,Safari5.1+ */
    background: -o-radial-gradient(center, ellipse cover, #7d7e7d 0%, #0e0e0e 100%);
    /* Opera 12+ */
    background: -ms-radial-gradient(center, ellipse cover, #7d7e7d 0%, #0e0e0e 100%);
    /* IE10+ */
    background: radial-gradient(ellipse at center, #7d7e7d 0%, #0e0e0e 100%);
    /* W3C */
    filter: progid:DXImageTransform.Microsoft.gradient(startColorstr='#7d7e7d', endColorstr='#0e0e0e', GradientType=1);
    /* IE6-8 fallback on horizontal gradient */
}
div:last-of-type {
    width:600px;
    height:200px;
    background-color:#ccc;
    padding:20px;
    font-family:Lucida Sans Unicode;
}
}

DEMO

答案 1 :(得分:0)

您的first-of-typelast-of-type仅对应<p>个标签。要解决此问题,您需要在<div>内添加<div>

试试这个:

<div id="header">

   <div id="header-gradient">

   //your content

   </div>

</div>

对于CSS:

#header {
   width: 100%;
}

#header-gradient:first-of-type {
   //style here
}

#header-gradient:last-of-type {
   //style here
}

答案 2 :(得分:0)

我在这里找到答案: How to make div not larger than its contents?

基本上如果你想要一个100%宽度的父动态固定宽度子项,你需要设置父元素显示内联块和宽度auto(这是默认值,意味着宽度也可以保持完整。)

重要的CSS

#wrapper{
    display: inline-block;
}

#content {
    width:600px;
    height:200px;
    background-color:#ccc;
    padding:20px;
    font-family:Lucida Sans Unicode;
}

DEMO