body {
 background-color: black;
 font-family: trebuchet, arial, sans serif;
 color: white;
 margin-left: 10%;
 margin-right: 10%;
 text-align: justified;
 }
 
a:link {
 color: yellow;
 background-color: black;
 }

a:hover {
 color: red;
 background-color: yellow;
 }
 
table {
 table-layout: center;
 table-border: 1;
 }

.left {
 left: 10%;
 top: 10px;
} 
 
.right {
 top: 10px;
 right: 10%;
 float: right;
 width: 300px;
} 
 
li {
 text-align: left;
 }

h1 {
 text-align: left;
 }
 
h2 {
 text-align: center;
 }
 
h3 {
 text-align: right;
}