.panel-2cols-mix{
  width: 100%;
}
.panel-col-middle, panel-col-tabsContent1,
.tabsContent2-wrapper, .panel-col-bottom,
.panel-col-tabsContent3{
  width: 100%;
}
.panel-2cols-mix .center-wrapper{
  width: 100%;
  overflow:hidden;
}
.panel-2cols-mix .panel-col-first{
  width:45%;
  float:left;
}
.panel-2cols-mix .panel-col-last{
  width:52%;
  float:right;
}