.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;
}
}