#columnLeft {
    background-image: url("../images/slogangrafichero.jpg");
    background-position: right top;
    background-repeat: no-repeat;
    float: left;
    height: 100%;
    margin-right: 0;
    width: 300px;
}

.home #columnRight {
    background-image: url("../images/testataflash.jpg");
    background-position: right top;
    background-repeat: no-repeat;
    padding-top: 20px;
}