.adTile {
    margin-bottom: 20px;
}

#tilesLeft {
    margin: 0px;
    float:left;
}

#tilesLeft .adTile { 
    width: 130px;
    float: left;
}

#content {
    width: 543px;
    float:right;
    padding: 0 42px 0 35px;
}

#centrecontent #tilesLeft {
    margin: 0px;
    width: 130px;
    float:left;
}