.one_half {width:48%}
.one_third {width:30.66%}
.two_third {width:65.33%}
.one_fourth {width:22%}
.three_fourth {width:74%}
.one_fifth {width:16.8%}
.two_fifth {width:37.6%}
.three_fifth {width:58.4%}
.four_fifth {width:67.2%}
.one_sixth {width:13.33%}
.five_sixth {width:82.67%}
.one_half, .one_third, .two_third, .three_fourth, .one_fourth, .one_fifth, .two_fifth, .three_fifth, .four_fifth, .one_sixth, .five_sixth {position:relative; margin-right:4%; float:left}
.last {margin-right:0 !important; clear:right}
.clearboth {clear:both; display:block; font-size:0; height:0; line-height:0; width:100%}