.col-sm-5 {
    padding-top: 1em;
}
.row{
    padding: 2 2 ;
}

.arrow-down:after,.arrow-up:after{
    content: ' ';
    position: relative;
    left: 1px;
    border: 4px solid transparent;
   }
   
   .arrow-down:after{
    top: 4px;
    border-top-color: black;
   }
   
   .arrow-up:after{
    bottom: 4px;
    border-bottom-color: black;
   }
   
   .arrow-down,.arrow-up{
    padding-right: 3px;
   }