.flowGrid{position: relative;padding: 0;}
    .flowGrid:before,.flowGrid:after{
        content: "";
        display: table;
    }
    .flowGrid:after{
        clear:both;
    }
    .flowGridItem{ list-style: none;}
    .flowGridItem img{width:100%;}
    .flowGridColumn{
        float: left;
        padding-left: 10px;
    }
    .flowGridColumn:last-of-type{
        /*padding-right: 10px;*/
    }
    
.equal {
  display: flex;
  flex-wrap: wrap;
}
    
.equal > div[class*='col-'] {  
  display: flex;
  flex-direction: column;
}

    /*---------- demo page only--------------*/
    header{
      background-color: #efefef;
      margin-bottom: 25px;
      height: 250px;
      text-align: center;

    }