body {
   color: black;
   background: white;
   margin-left: 10%;
   margin-right: 10%;
   margin-top: 5%;
   margin-bottom: 5%;
   font-family: serif;
   }

h1 {
   font-family: sans-serif;
   font-size: 180%;
   }

h2 {
   font-family: sans-serif;
   font-size: 145%;
   }

h3 {
   font-family: sans-serif;
   font-size: 130%;
   }

h4 {
   font-family: sans-serif;
   font-size: 120%;
   }

h5 {
   font-weight: bold;
   font-size: 110%;
   }

pre {
   color: green;
   background-color: white;
   white-space: pre;
   font-weight: bold;
   font-family: monospace;
   font-size: 100%;
   }

em {
   font-style: italic;
   font-weight: bold;
   }

th {
   font-family: sans-serif;
   font-size: 100%;
   background: rgb(255, 255, 255);
   }

td {
   font-family: monospace;
   font-size: 105%;
   background: rgb(255, 255, 255);
   }

strong {
   text-transform: uppercase;
   font-weight: bold;
   }