threecol_33_34_33.css in Panels 5

.panel-3col-33 { 
  /* border: 1px solid red; */ 
  overflow: hidden; 
}
.panel-3col-33 div div { 
  margin: .5em;
}
.panel-3col-33 .panel-col-first { 
  float: left; 
  width: 33%; 
}
.panel-3col-33 .panel-col { 
  float: left; 
  width: 34%; 
}
.panel-3col-33 .panel-col-last { 
  float: left; 
  width: 33%; 
}
.panel-clearer {
  clear: both;
}