* {
    box-sizing: border-box;
}

/* Create two equal columns that floats next to each other */
.columnL {
    float: left;
    width: 40%;
    padding: 10px;
}

.columnR {
    float: left;
    width: 60%;
    padding: 10px;
}

/* Clear floats after the columns */
.row:after {
    content: "";
    display: table;
    clear: both;
}
body
{
}