#wrapper{
width: 524px;
margin: 0 auto;
float:left;
}
.box{
background: #EDEFF4;
}
.boxholder{
clear: both;
background: #EDEFF4;
}
.tab{
background: #EDEFF4;
text-align: center;
float:left;
}
.tabtxt{
background: #EDEFF4;
}

.must_see {
float: left;
}