.full_width, .one_half, .one_third, .two_third, .one_fourth, .three_fourth, .one_fifth, .two_fifth, .three_fifth, .four_fifth, .one_sixth, .five_sixth {float: left;}
.clear_column {clear: both;display: block;font-size: 0;height: 0;line-height: 0;width: 100%;overflow: hidden;}
.full_width {width: 100%;}
.one_half {width: 50%;}
.one_third {width: 33.3%;}
.two_third {width: 66.6%;}
.one_fourth {width: 25%;}
.three_fourth {width: 75%;}
.one_fifth {width: 20%;}
.two_fifth {width: 40%;}
.three_fifth {width: 60%;}
.four_fifth {width: 80%;}
.one_sixth {width: 16.6%;}
.five_sixth {width: 83.4%;}
@media screen and (max-width: 600px) {.full_width, .one_half, .one_third, .two_third, .one_fourth, .three_fourth, .one_fifth, .two_fifth, .three_fifth, .four_fifth, .one_sixth, .five_sixth {clear: both;width: 100%;margin-left: 0;margin-right: 0;margin-bottom: 1em;}}