.panel-3col-flex-60-40-stacked { 
  /*overflow: hidden;  */
}

.panel-3col-flex-60-40-stacked .panel-col-top,
.panel-3col-flex-60-40-stacked .panel-col-bottom { 
  /*width: 100%; */
  clear: both;
  margin-bottom: 15px;
}

.panel-3col-flex-60-40-stacked .panel-col-main { 
  float:left;
  width:100%;
  min-width: 270px;
}
.panel-3col-flex-60-40-stacked .panel-col-main > .inside{ 
  padding: 0 255px 0 255px;
}

.panel-3col-flex-60-40-stacked .panel-col-sidebar1 { 
  float: left; 
  width: 240px; 
  margin-left:-100%;
}

.panel-3col-flex-60-40-stacked .panel-col-sidebar2 { 
  float: left; 
  width: 240px; 
  margin-left:-240px;
}

.panel-col-sidebar2 .pane-xad-banner-right-1,
.panel-col-sidebar2 .pane-xad-banner-right-2{
  max-height: 400px;
}