1 .chapter { background-color:#d0e4fe; }
2 .section { background-color:#d0e4fe; }
3 .subsection { background-color:#d0e4fe; }
4 .settitle { background-color:#d0e4fe; }
5 .contents { border: 2px solid black;
6 margin: 1cm 1cm 1cm 1cm;
8 body { padding-left: 3mm; }