Thumb Ribbon Row Css

.row {
    width: 100%;
    max-width: 1000px;
    min-width: 420px;
    margin: 0 auto;
    overflow: hidden;

}
.full-width, .row .full-width {
    width: 100%;
    float: left;
}
.third, .half {
    margin-right: 3.8%;
    float: left;
    min-height: 1px;
    overflow: hidden;
}
.third, .row .third {
    width: 30.75%;
}
.half, .row .half {
    width: 48%;
}
.last {
    margin-right: 0px;
}