bootstrap3使列高度保持一致

.row [class*="col-"]{
  margin-bottom: -99999px;
  padding-bottom: 99999px;
}
  
.row{
  overflow: hidden; 
}

.row [class*="col-"]{

margin-bottom: -99999px;

padding-bottom: 99999px;

}

.row{

overflow: hidden;

}