/*web background*/
.container {
    display: table;
    height: 100%;
}

.row {
    display: table-cell;
    vertical-align: middle;
}
/* centered columns styles */
.row-centered {
    text-align: center;
}

.col-centered {
    display: inline-block;
    float: none;
    text-align: left;
    margin-right: -4px;
}