.columns .column:first-child:after{color:#fff;content:"+";font-size:4rem;font-weight:700;margin-left:2rem}.columns .column:nth-child(2):after{color:#fff;content:"=";font-size:4rem;font-weight:700;margin-left:2rem}@media (max-width:768px){.columns .column:first-child:after,.columns .column:nth-child(2):after{margin-left:0;margin-top:2rem;text-align:center;width:100%}}