.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: 0px; height: 0px; 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: 0px; margin-right: 0px; margin-bottom: 1em; }
}