老师 我的图片为什么没有变化，没有变成150的宽度？
<!DOCTYPE html>
<html>
<head>
<meta charset="UTF-8">
<title>Previev Slideshow</title>
<style>
*{
padding: 0;
margin: 0;
}
body {
padding: 50px 0;
background-color: #FFF;
font-size: 14px;
font-family:'Avenir Next';
color: #555;
-webkit-font-smoothing:antialiased;/*字体抗锯齿*/
}
.slider .main .main-i,
.slider .main,
.slider{
width: 100%;
height:400px;
position: relative;
}
/*幻灯片区域*/
.slider .main{
overflow: hidden;
}
/*每个幻灯片的样式*/
.slider .main .main-i{
float: left;
}
.slider .main .main-i img{
width: 100%;
position: absolute;
left: 0
top:0;
z-index: 1
}
.slider .main .main-i .caption{
position: absolute;
right: 50%;
top: 30%;
z-index: 9;
}
.slider .main .main-i .caption h2{
font-size: 40px;
line-height: 50px;
color: #B5B5B5;
text-align: right;
}
.slider .main .main-i .caption h3{
font-size: 70px;
line-height: 70px;
color: #000000;
text-align: right;
font-family: 'Open Sans Condensed'
}
/*控制按钮区域*/
.slider .ctrl{
width: 100%;
height: 13px;
line-height: 13px;
text-align: center;
position: absolute;
left: 0;
bottom: -13px;
background-color: #f00;
}
.silder .ctrl .ctrl-i{
display: inline-block;
width: 150px;
height: 13px;
background-color: #666;
box-shadow:0 1px 1px rgba(0,0,0,.3);
position: relative;
margin-left:1px;
}
.silder .ctrl .ctrl-i img{
width: 100%;
position: absolute;
left: 0;
bottom: 50px;
z-index: 1;
opacity:0;
-weblit-transition:all .2s;
}
/*hover 到控制按钮的样式 */
.slider .ctrl .ctrl-i:hover{
background-color: #F0F0F0;
}
.slider .ctrl .ctrl-i:hover img{
bottom: 13px;
-webkit-box-reflect:below 0px -webkit-gradient(
linear,
left top,
left bottom,
from(transpatent),
color-stop(50%,transpanrent),
to(rgba(255,255,255,.3))
);
opacity:1;
}
/* active 当前展现的状态 */
.slider .ctrl .ctrl-i_active:hover,
.slider .ctrl .ctrl-i_active{
background-color: #000;
}
..slider .ctrl .ctrl-i_active:hover img{
opacity:0;
}
/* 幻灯片切换的样式 */
.slider .main .main-i{
opacity:0;
position: absolute;
right: 50%;
top: 0;
-weblit-transition:all .5s;
}
.slider .main .main-i h2{
margin-right: 45px;
}
.slider .main .main-i h3{
margin-right: -45px;
}
.slider .main .main-i h2,
.slider .main .main-i h3{
-weblit-transition:all .8s 1s;
}
.slider .main .mian-i_active{
opacity:1;
right: 50%;
}
.slider .main .main-i h2,
.slider .main .main-i h3{
margin-right: 0;
}
</style>
</head>
<body>
<div class="slider">
<div class="main">
<div class="main-i">
<div class="caption">
<h2>h2 caption</h2>
<h3>h3 caption</h3>
</div>
<img src="imgs/{{index}}.jpg" />
</div><div class="main-i">
<div class="caption">
<h2>h2 caption</h2>
<h3>h3 caption</h3>
</div>
<img src="imgs/{{index}}.jpg" />
</div>
</div>
<div class="ctrl">
<a class="ctrl-i ctrl-i_active" href="javascript:;"><img src="imgs/{{index}}
.jpg" /></a><a class="ctrl-i" href="javascript:;"><img
src="imgs/{{index}}.jpg" /></a>
</div>
</div>
</body>
</html>
