#box {
width: 960px;
position: relative;
height: auto;
margin-left:80px;
margin-right:50px;
}
.current {
display: block;
}
.big_img {
width: 960px;
height: 320px;
overflow: hidden;
}

.slider_list {
background-image:url(img/catapult-02.jpg);
width: 960px;
position: absolute;
top: 505px;
}
.slider_list li {
opacity: 0.6;
display: inline;
float:left;
text-align:center;
position: relative;
padding:5px;
height: auto;
}
.slider_list .current {
position: relative;
opacity: 1;
filter: Alpha(Opacity="100")
}
.slider_list .current .border {
position: absolute;
display: block;
background: red;
width: 75px;
height: 4px;
overflow: hidden;
}