Änderungen
test
.col:last-child .col-content{padding-right:0;}
.main .col-content{padding-right:1em;padding-left:1em; border-right:1px solid lightgrey;border-left:1px solid lightgrey; margin-left:-1px;}.main .col:first-child .col-content{border-left:none;}.main .col:last-child .col-content{border-right:none;}