.wrap{
	width:98%;
	margin:0 auto;
}

.column_right {
  float: right;
  width: 31.3%;
}

.column_left {
  float: left;
  width: 68.7%;
}

@media (max-width:920px){
.column_left, .column_middle, .column_right {
  float: none;
  width:100%;
}
.column_right {
  margin: 4em 0 0 0;
}

@media (max-width:480px){
.wrap {
  width: 93%;
}
.column_right {
  margin:2em 0 0 0;
}