.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%;}

@media only screen and (max-width: 768px), only screen and (max-device-width: 768px) {
.one_fourth,
.three_fourth,
.one_fifth,
.two_fifth,
.three_fifth,
.four_fifth,
.one_sixth,
.five_sixth { width:100%; float:none; }
}

@media only screen and (max-width: 480px), only screen and (max-device-width: 480px) {
.one_half,
.one_third,
.two_third,
.one_fourth,
.three_fourth,
.one_fifth,
.two_fifth,
.three_fifth,
.four_fifth,
.one_sixth,
.five_sixth{ width:100%; float:none; }
}