body { background: lightcyan; color: black; margin-left: 2em; margin-right: 2em; margin-top: 2em; }
h1 { background: aqua; color: white; font-size: 2.2em; line-height: 1.5em; margin-left: em; margin-right: 5em; font-style: italic; }
h2 { background: ; color: aqua; font-size: 1.5em; line-height: em; margin-left: em; margin-right: 2em; font-style: italic; }
h3 { background: aqua; color: white; font-size: 1.5em; line-height: 1.2em; margin-left: em; margin-right: em; }
h4 {
  border-color: aqua;
  border-style: solid;
  border-width: 3px;
  padding-left: 1em;
}
p { background: ; color: ; font-size: 0.95em; line-height: 1.5em; margin-left: 2em; margin-right: 2em; }
li { background: ; color: ; font-size: em; line-height: 1.5em; margin-left: em; margin-right: 2em; }
em { font-style: normal; font-weight: bold; color: ; }
table, td, th { border-width: 2px; border-style: solid; border-color:aqua ; }
th { background: ; }
td { background: ; }
a: link { color:  blue; }
a: visited { color:  blueviolet; }
a: hover { color:  orange; }