.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; min-height:1px; height:auto!important; height:1px; }
.one_half { width:48%; }
.one_third { width:30.6666%; }
.two_third { width:65.3332%; }
.one_fourth { width:22%; }
.two_fourth { width:48%; }
.three_fourth { width:74%; }
.one_fifth { width:16.8%; }
.two_fifth { width:37.6%; }
.three_fifth { width:58.4%; }
.four_fifth { width:79.2%; }
.one_sixth { width:13.3333%; }
.two_sixth { width:30.6666%; }
.three_sixth { width:47.9998%; }
.four_sixth { width:65.3332%; }
.five_sixth { width:82.6665%; }
.last { margin-right:0!important; clear:right; }
.one_half .one_half { margin-right:8.3333%; width:45.8333%; }
.one_half .one_third { margin-right:8.3333%; width:27.7778%; }
.one_half .two_third { margin-right:8.3333%; width:63.8889%; }
.two_third .one_third { margin-right:6.1224%; width:29.2517%; }
.two_third .two_third { margin-right:6.1224%; width:64.6258%; }
.two_third .one_fourth { margin-right:6.1224%; width:20.4082%; }

@media only screen and (max-width: 600px){
    .one_half,.one_third,.two_third,.three_fourth,.one_fourth,.one_fifth,.two_fifth,.three_fifth,.four_fifth,.one_sixth,.five_sixth {
        display: block;
        float: none;
        width: 100%;
        margin-left: 0;
        margin-bottom:20px;
    }
}// end max-width: 600px;