#container1 {
width:940px;
}
#main .main-left {
width:12%;
}
#main .main-content {
width:52%;
}
#main .main-right {
width:28%;
}
#main .main-left {
margin-right:4%;
}
#header {
height:90px;
}
#main .main-content {
width:68%;
}