a {text-decoration: none; font-weight: bold; color: #dc143c;}
a:hover{color: #ffff00;}
body {background: #b0c4de; margin-top: 5px; margin-left: 0.2cm; margin-right: 0.2cm;}
p {font-family: arial; font-weight: medium; font-size: 10pt;}
ul {text-align: left; font-family: arial; font-weight: medium; font-size: 9pt;}
ol {text-align: left; font-family: arial; font-weight: medium; font-size: 9pt;}
h1 {background-color: silver; font-size: 13pt; font-family: verdana; text-align: center; padding: 3px; color: #00008b; margin-left: 1cm; margin-right: 1cm; border-style: solid; border-width: 2px; border-color: gray;}
h2 {font-family: arial; font-weight: medium; font-size: 10pt; color: #00008b; border-bottom-style: solid; border-bottom-width: 2px; padding: 5px; border-color: #00008b;}
h3 {font-family: arial; font-weight: medium; font-size: 10pt; color: #00008b;}
h4 {font-family: arial; font-weight: medium; font-size: 10pt; text-align: center; color: darkgreen;}
h5 {font-family: arial; font-weight: medium; font-size: 10pt; color: #00008b; text-align: center;}
td {background-color: #d3d3d3; text-align: left; font-family: arial; font-weight: medium; font-size: 9pt;}
.equation {text-align: center; font-weight: bold;}
.approach {font-family: arial; font-size: 16px; font-weight: bold;}
.help { text-align: center; font-weight: medium; color: blue;}
p.return {text-align: center; margin-top: 0px; font-size: 9pt;}