#main {
width: 790px;
background: #ffffff;
text-align: left;
margin: auto;
}
#head {
height: 160px;
background: #ffffff url('../images/logo.gif') no-repeat;
}
#head_nav {
color: #ffffff;
height: 5px;
text-align: center;
cursor: pointer;
background: rgb(255,255,255);
}
#content {
width: 59%;
min-width: 59%;
max-width: 59%;
float: left;
}
#nav1 {
width: 20%;
float: left;
background: #ffffff;
}
#nav2 {
width: 20%;
float: right;
background: #ffffff;
}
#bottom {
font-size: 85%;
text-align: center;
height: 30px;
border-bottom: 5px solid rgb(105,143,119);
clear: both;
background: rgb(232,241,236);
}

img {
border: 0;
}