.plain {line-height: 150%; text-indent: 12pt; margin-left: 5%}
.NoIndent {line-height: 150%; margin-left: 5%}
.quote {line-height: 150%; margin-left: 10%}
.equation {line-height: 160%; margin-left: 10%}
.note{line-height: 130%; margin-left: 10%; background-color: lightyellow; padding:4}

H2 {color: blue}
H3 {color: chocolate}
H4 {color: slateblue}

body {width: 1000px; background-color: GhostWhite}