banner.css

@charset "utf-8";
*{
    margin: 0;
    padding: 0;
    font-family: 微软雅黑;
    font-size: 14px;
    color: #424242;
    -webkit-user-select: none;
}
ul,li{
    list-style: none;
}
img{
    display: block;
    border: none;
}
a,a:hover,a:active,a:target,a:visited{
    color: #424242;
    text-decoration: none;
}
.banner {
    position: relative;
    margin: 0 auto;
    width: 1000px;
    height: 300px;
    overflow: hidden;
}
/*轮播图区域的样式*/
.banner .bannerInner{
    width: 100%;
    height: 100%;
    background: url("../image/default.gif") no-repeat center center #373942;
}
.banner .bannerInner div{
    position: absolute;
    top:0;
    left: 0;
    width: 100%;
    height: 100%;

    /*设置每一张图片所在区域的初始样式：z-index=0 opacity=0*/
    z-index: 0;
    opacity: 0;
    filter: alpha(opacity=0);
}
.banner .bannerInner img{
    display: none;
    width: 100%;
    height: 100%;
}

/*焦点区域的样式*/
.banner .bannerTip{
    position: absolute;
    right: 20px;
    bottom: 20px;
    z-index: 10;
    height: 18px;
    overflow: hidden;
}

.banner .bannerTip li{
    float: left;
    margin-left:10px;
    width: 18px;
    height: 18px;
    background: lightblue;
    border-radius: 50%;
    cursor: pointer;
}
.banner .bannerTip li.bg{
    background: red;
}
.banner a{
    display: none;
    position: absolute;
    top: 50%;
    z-index: 20;
    margin-top:-20px ;
    width: 30px;
    height: 40px;
    background-image:url(../image/direction.jpg);

    opacity: 0.5;
    filter: alpha(opacity=50);
}
.banner a:hover{
    opacity: 1;
    filter: alpha(opacity=100);
}
.banner a.bannerLeft{
    left: 20px;
    background-position: 473px 178px;
}
.banner a.bannerRight{
    right: 20px;
    background-position: 245px 178px;
}