body {
}

#head_container {
height: 100px;
}

#welcome_message {
z-index: 1;
position: absolute;
top: 15px;
font-size: 125%;
font-family: Bitstream Vera Sans Mono;
}

#main_nav {
position: absolute;
top: 75px;
width: 98.5%;
background: #1793d1;
}

#main_nav ul {
float: right;
list-style: none; 
margin: 0;
padding: 0;
}

#main_nav ul li {
display: inline;
float: left;
margin: 0 3px;
padding: 0;
text-align: center;
font-size: 12px;
line-height: 25px;
}

#main_nav ul li.selected {
background: #333;
}

#main_nav ul li a {
display: block;
padding: 0 8px;
color: #fff;
font-weight: bold;
text-decoration: none;
}

#main_nav ul li a:hover {
background: #333;
}

h2 {
letter-spacing: -1px;
margin: 5px 5px;
color: #333;
}

.notice {
color: red;
}

#main {
position: absolute;
top: 120px;
left : 30px;
width: 65%;
}

b.blue {
color: blue;
}