.section {
  clear: both;
  padding: 0px;
  margin: 0px;
}

.group:before,
.group:after {
    content:"";
    display:table;
}
.group:after {
    clear:both;
}
.group {
    zoom:1
}

.col {
  display: block;
  float:left;
  margin: 1% 0 1% 1.6%;
}

.col:first-child { margin-left: 0; }

@media only screen and (max-width: 480px) {
  .col {
    margin: 1% 0 1% 0%;
  }
}

.span_6_of_6 {
  width: 100%;
}

.span_5_of_6 {
    width: 83.06%;
}

.span_4_of_6 {
    width: 66.13%;
}

.span_3_of_6 {
    width: 49.2%;
}

.span_2_of_6 {
    width: 32.26%;
}

.span_1_of_6 {
    width: 15.33%;
}

@media only screen and (max-width: 480px) {
  .span_6_of_6 {
    width: 100%;
  }
  .span_5_of_6 {
    width: 100%;
  }
  .span_4_of_6 {
    width: 100%;
  }
  .span_3_of_6 {
    width: 100%;
  }
  .span_2_of_6 {
    width: 100%;
  }
  .span_1_of_6 {
    width: 100%;
  }
}