这让你接近
它实际上以纯色“点”结束(等于渐变的结束颜色)。如果绝对需要的话,实际上可以将渐变延续到三角形中(我目前没有时间弄清楚)。
这是示例(注意:示例使用从colorzilla生成的代码来支持 IE9)。你需要有一个固定width
的工作(设置伪元素的左/右边框),但height
可以灵活。在我的示例中,IE8 失去了红色中心。也许对于您的 PIE 解决方案,它不会。
HTML(以 IE9 条件为例)
<!--[if gte IE 9]>
<style type="text/css">
#menu-block {
filter: none;
}
</style>
<![endif]-->
<div id="menu-block" ></div>
CSS
#menu-block {
width: 100px;
position: relative;
background: rgb(0,0,255);
background: url(data:image/svg+xml;base64,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);
background: -moz-linear-gradient(top, rgba(0,0,255,1) 0%, rgba(255,0,0,1) 50%, rgba(255,255,0,1) 100%);
background: -webkit-gradient(linear, left top, left bottom, color-stop(0%,rgba(0,0,255,1)), color-stop(50%,rgba(255,0,0,1)), color-stop(100%,rgba(255,255,0,1)));
background: -webkit-linear-gradient(top, rgba(0,0,255,1) 0%,rgba(255,0,0,1) 50%,rgba(255,255,0,1) 100%);
background: -o-linear-gradient(top, rgba(0,0,255,1) 0%,rgba(255,0,0,1) 50%,rgba(255,255,0,1) 100%);
background: -ms-linear-gradient(top, rgba(0,0,255,1) 0%,rgba(255,0,0,1) 50%,rgba(255,255,0,1) 100%);
background: linear-gradient(to bottom, rgba(0,0,255,1) 0%,rgba(255,0,0,1) 50%,rgba(255,255,0,1) 100%);
filter: progid:DXImageTransform.Microsoft.gradient( startColorstr='#0000ff', endColorstr='#ffff00',GradientType=0 );
}
#menu-block:after {
content: '';
width: 0;
height: 0;
position: absolute;
left: 0;
top: 100%;
border-right: 50px transparent solid;
border-left: 50px transparent solid;
border-bottom: 0 transparent solid;
border-top: 30px #ffff00 solid;
}