a{
   text-decoration:none;
}

a:hover {
   background:lightblue;
}

h1{
   text-align:center;
   color:#000099;
   border-top:1px solid darkred;
   border-bottom:1px solid darkred;
}

h2{
   text-align:center;
}

div.mission { 
   font-family:sans-serif;
text-align:center;
}

table.main {
   font-family:sans-serif;
   border: 1px solid darkred;
   color:#333333;
   padding:1ex;
}


table.main td.left {
   padding:10px;
   margin:5px;
   font-weight:bold;	
   border-right:2px solid darkgreen;
   border-bottom:2px solid darkgreen;
}

table.main td.right {
   spacing:5px;
   padding:10px;
   border: 2px solid darkred;
}

table.main td.right:hover {
   background-color: #ffddff;
}

div.prob {
   text-align:center;
   border-top:1px solid darkred;  
   margin-top:20px;
   padding-top:10px;
   font-weight:bold;
   font-size:20px;
   color:#444444;
}

i.prob {
   text-align:center;
   font-weight:bold;
   font-size:20px;
   color:#444444;
}

pre.triangles {
   font-size:10px;
   font-family: courier monospace;
}