我尝试为一个div元素添加阴影。但只想让它占据div的90%宽度,且距离左边缘有10%的外边距。以下是我的尝试:
<div id="post-headline">
<div id="post-headline-date">33.12</div>
<div id="post-headline-title"><?php the_title(); ?></div>
<div id="post-headline-author"><?php the_author(); ?></div>
<div id="shadow"></div>
</div>
CSS
#shadow{
position:relative;
height:5px;
z-index:0;
width:96%;
left:3.7%;
top:-6px;
-moz-box-shadow: 0px 5px 4px #888;
-webkit-box-shadow: 0px 5px 4px #888;
box-shadow: 0px 5px 4px #888;
}
但似乎百分比值不属于“post-headline”的大小。在不同的屏幕分辨率上,其值是不同的。我做错了什么?
例如:
- ----------------标题
- ------------ 阴影
res2:
- ---------------- 标题
- ----------------- 阴影
更新:我的CSS
#post-headline {
position:relative;
background-color: #3366cc;
color:#fff;
left:-60px;
height: 40px;
width: 106.5%;
z-index:1;
}
#post-headline:after{
content: " ";
position:absolute;
width: 95.7%;
right: 0;
bottom: 0;
height: 20px;
-moz-box-shadow: 0px 5px 4px #888;
-webkit-box-shadow: 0px 5px 4px #888;
box-shadow: 0px 5px 4px #888;
}
#post-headline-title {
margin-left: 60px;
}
#post-headline-author{
font-weight:bold;
margin-left:60px;
}
#post-headline-date{
position:absolute;
margin:8px;
font-weight:bold;
font-size:12px;
}
#post-headline-triangle
{
z-index:-1;
left: -51.7px;
top:-31px;
height:45px;
width:45px;
background-color:#0033cc;
transform: rotate(30deg);
-ms-transform: rotate(30deg); /* IE 9 */
-webkit-transform: rotate(30deg); /* Safari and Chrome */
}
我的PHP
<div id="content">
<?php if (have_posts()) : while (have_posts()) : the_post(); ?>
<div id="post-headline">
<div id="post-headline-date">33.12</div>
<div id="post-headline-title"><?php the_title(); ?></div>
<div id="post-headline-author"><?php the_author(); ?></div>
</div>
<div id="post-headline-triangle"></div>
...
<?php endwhile;endif; ?>
</div>
还是没起作用 :/