.table_of_contents { font-weight: normal; margin: 0px; padding: 0px; font-size: 0.80em; }
.contents_1 { font-weight: bold; padding-left: 0px; }
.contents_2 { padding-left: 20px; }
.contents_3 { padding-left: 40px; }
.contents_4 { padding-left: 60px; }

.level_1 { font-weight: normal; margin: 0px; padding: 0px; font-size: 0.80em; }
h1 { font-weight: bold; margin: 20px 0px 5px 0px; padding: 0px; font-size: 1.1em; }

.level_2 { font-weight: normal; margin: 0px 0px 0px 20px; padding: 0px; font-size: 0.80em; }
h2 { font-weight: bold; margin: 20px 0px 5px 20px; padding: 0px; font-size: 1em; }

.level_3 { font-weight: normal; margin: 0px 0px 0px 40px; padding: 0px; font-size: 0.80em; }
h3 { font-weight: bold; margin: 20px 0px 5px 40px; padding: 0px; font-size: 1em; }

.level_4 { font-weight: normal; margin: 0px 0px 0px 60px; padding: 0px; font-size: 0.80em; }
h4 { font-weight: bold; margin: 20px 0px 5px 60px; padding: 0px; font-size: 1em; }