.page-content {
    float: none;
    min-height: 300px;
    width: 100%;
}
@media only screen and (min-width : 768px) {
    .page-content {
        min-height: 441px;
        width: 100%;
    }
}
@media only screen and (min-width : 1024px) {
    .page-content {
        min-height: 441px;
    }
}