1/* Empty. Add your own CSS if you like */
 2.o_mainOptionRow{
 3    height: calc(100%/4);
 4    display: table;
 5    padding: 0;
 6}
 7.o_mainOptionRow a{
 8    text-align: center;
 9    display: table-cell;
10    vertical-align: middle;
11    width: 50%;
12    font-size: 300%;
13}