.column_1{
    flex: 50%;
    max-width: 50%;
    padding: 0 4px;
    float: left;
}

.column_2{
    flex: 33.3%;
    max-width: 33.3%;
    padding: 0 4px;
    float: left;
}

.container {
    display: flex;
    flex-wrap: wrap;
    position: relative;
    margin-left: auto;
    margin-right: auto;
    width: 100%;
    -webkit-background-size: cover;
    background-size: cover
}