dra*_*sea 2 javascript css jquery class
我正在使用CSS制作手风琴,下面是我对没有空间的CSS类的使用.我用它来消除slideDown和slideUp效果期间的填充动画
.acc_container.block{
padding: 20px;
}
因为它说明填充是20像素,但当我检查它似乎没有填充!
相反,我需要添加这个以使我的填充工作
.acc_container. block{
padding: 20px;
}
(带空格)
那么CSS中有没有空格的类之间的区别是什么？
这是我的所有HTML,jQuery和CSS代码:
<html>
<head>
<style type="text/css">
body {
font: 15px normal Arial, Helvetica, sans-serif;
margin: 0;
padding: 0;
line-height: 1.7em;
}
.container {
width: 500px;
margin: 0 auto;
}
h2.acc_trigger {
padding: 0;
margin: 0 0 5px 0;
background: url(h2_trigger_a.gif) no-repeat;
height: 46px;
line-height: 46px;
width: 500px;
font-size: 2em;
font-weight: normal;
float: left;
display: block;
padding: 0 0 0 50px;
color: #fff;
cursor: pointer;
}
h2.active {
background-position: left bottom;
}
.acc_container {
margin: 0 0 5px;
padding: 0;
overflow: hidden;
font-size: 1.2em;
width: 500px;
clear: both;
background: #f0f0f0;
border: 1px solid #d6d6d6;
-webkit-border-bottom-right-radius: 5px;
-webkit-border-bottom-left-radius: 5px;
-moz-border-radius-bottomright: 5px;
-moz-border-radius-bottomleft: 5px;
border-bottom-right-radius: 5px;
border-bottom-left-radius: 5px;
}
.acc_container.block {
padding: 20px;
}
.block {
padding: 20px;
}
</style>
<script type="text/javascript" src="jquery.js"></script>
<script> type="text/javascript">
$(document).ready(function(){
$('.acc_container').hide(); $('.acc_trigger:first').addClass('active').next().show();
$('.acc_trigger').click(function(){
if($(this).next().is(':hidden'))
{
$('.acc_trigger').removeClass('active').next().slideUp();
$(this).toggleClass('active').next().slideDown();
}
return false; });
});
</script>
</head>
<body>
<div class="container">
<h2 class="acc_trigger">Web Design and Development</a></h2>
<div class="acc_container">
<div class="block">
<h3>Need A website?</h3>
<p>Consequat te olim letalis premo ad hos olim odio olim indoles ut
venio iusto. Euismod, sagaciter diam neque antehabeo blandit, jumentum
transverbero luptatum. Lenis vel diam praemitto molior facilisi facilisi
suscipere abico, ludus, at. Wisi suscipere nisl ad capto comis esse,
autem genitus. Feugiat immitto ullamcorper hos luptatum gilvus eum.
Delenit patria nunc os pneum acsi nulla magna singularis proprius autem
exerci accumsan.</p>
</div>
</div>
<h2 class="acc_trigger">Logo/ Corporate Identity</h2>
<div>
class="acc_container">
<div class="block">
<h3>Need a Logo?</h3>
<p>Consequat te olim letalis premo ad hos olim odio olim indoles ut
venio iusto. Euismod, sagaciter diam neque antehabeo blandit, jumentum
transverbero luptatum. Lenis vel diam praemitto molior facilisi facilisi
suscipere abico, ludus, at. Wisi suscipere nisl ad capto comis esse,
autem genitus. Feugiat immitto ullamcorper hos luptatum gilvus eum.
Delenit patria nunc os pneum acsi nulla magna singularis proprius autem
exerci accumsan. </p>
<p>Consequat te olim letalis premo ad hos olim odio olim indoles ut
venio iusto. Euismod, sagaciter diam neque antehabeo blandit, jumentum
transverbero luptatum. Lenis vel diam praemitto molior facilisi facilisi
suscipere abico, ludus, at. Wisi suscipere nisl ad capto comis esse,
autem genitus. Feugiat immitto ullamcorper hos luptatum gilvus eum.
Delenit patria nunc os pneum acsi nulla magna singularis proprius autem
exerci accumsan. </p>
</div>
</div>
<h2 class="acc_trigger">Search Engine Optimization</a></h2>
<div class="acc_container">
<div class="block">
<h3>Need to be heard</h3>
<p>Consequat te olim letalis premo ad hos olim odio olim indoles ut
venio iusto. Euismod, sagaciter diam neque antehabeo blandit, jumentum
transverbero luptatum. Lenis vel diam praemitto molior facilisi facilisi
suscipere abico, ludus, at. Wisi suscipere nisl ad capto comis esse,
autem genitus. Feugiat immitto ullamcorper hos luptatum gilvus eum.
Delenit patria nunc os pneum acsi nulla magna singularis proprius autem
exerci accumsan.</p>
</div>
</div>
</div>
</body>
</html>
Cro*_*zin 15
.className. anotherClassName是无效的选择器,因此浏览器将忽略它.Space本身() is a descendant selector.
So you probably ask what's the difference between .classA .classB和.classA.classB选择器之间有什么区别.
第一个选择器将匹配任何元素与使用类classB放置在元素内的类classA,例如:
<div class="classA">
<p>
Hello World!
<span class="classB">this text will be matched by first selector</span>
Lorem ipsum!
</p>
</div>
第二个选择器将匹配任何元素与两个classA和classB类,例如:
<p class="classA">This won't be matched</p>
<p class="classA classB classC classD">But this will be</p>
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