我的问题是为什么我无法继续在gif上选择位置:-60px
。我一直在尝试与任何幸运......任何建议?我想在jsFiddle上向你展示这些,但不知道如何将gif上传到网站。背景位置问题
<div id="container">
<div id="mainContent">
<h1> Main Content</h1>
<div id="icon">
<a href="#row_01" title="01A">01A</a> </div>
<h2>H2 level heading </h2>
<p>Lorem ipsum dolor sit amet, consectetuer adipiscing elit. Praesent aliquam, justo convallis luctus rutrum, erat nulla fermentum diam, at nonummy quam ante ac quam. Maecenas urna purus, fermentum id, molestie in, commodo porttitor, felis. Nam blandit quam ut lacus. Quisque ornare risus quis ligula. Phasellus tristique purus a augue condimentum adipiscing. Aenean sagittis. Etiam leo pede, rhoncus venenatis, tristique in, vulputate at, odio.</p>
<!-- end #mainContent --></div>
<!-- end #container --></div>
</body>
</html>
CSS
#icon a
{
background-image: url(../img/icon.gif);
background-position: 0px 0px;
background-repeat: no-repeat;
display: block;
overflow: hidden;
text-indent: -99999px;
width: 30px;
height: 30px;
}
#icon a:hover, #icon a:focus
{
background-position: -30px 0;
}
#icon a.selected, #icon a.selected:hover
{
background-position: -60px 0;
}
什么是宽度和GIF的高度?顺便说一句,你可以使用**数据URI **协议来编码的gif,然后轻松地把它放在jsfiddle :) – Karolis
@ karolis我认为dat谢谢! – YoniGeek