.num-marker-list-1{counter-reset:list1;}
.num-marker-list-1 .list-item{margin-left:0;}
.num-marker-list-1 .list-item:before{counter-increment:list1;content:counter(list1) ". ";}

.num-marker-list-2{margin-top:5px;counter-reset:list2;}
.num-marker-list-2 .list-item{margin-left:15px;}
.num-marker-list-2 .list-item:before{counter-increment:list2;content:counter(list1) "." counter(list2) ". ";}