body {
margin: 0;
padding: 0;
height: 100%;
background-color: white;
font-family: Tahoma, Verdana, san-serif;
font-size: 11px;
}

#container {
width: 800px;
height: 100%;
margin: 0 auto;
padding: 0px;
padding-bottom: 100px;
}

#top_menu {
margin: 0px 0px 0px 0px;
width: 800px;
height: 100px;
padding: 0;
background-color: yellow;
border: 1px solid green;
padding: 0px;
}

#top_menu p {
margin: 5px 0px 0px 0px;
font-family: Tahoma, Verdana, san-serif;
font-size: 28px;
font-weight: bold;
letter-spacing: -1px;
text-align: center;
}

.top_menu_subtext {
width: 200px;
margin: 0px 35px 0px 0px;
font-family: Arial;
font-size: 15px;
letter-spacing: -1px;
float: right;
text-align: right;
}

.link_menu {
margin: 0px 0px 0px 0px;
width: 800px;
height: 30px;
padding: 0;
color: white;
background-color: navy;
border: 0px;
padding: 0px;
}

.main_page {
width: 600px;
height: 450px;
margin: 0px 0px 0px 0px;
background-color: silver;
float: left;
}

.side_bar {
width: 200px;
height: 450px;
background-color: green;
margin: 0px 0px 0px 0px;
float: right;
}

.footer {
margin: 0px 0px 0px 0px;
width: 800px;
text-align: center;
color: silver;
}

.clear {
  clear: both;
}