body{
    margin: 0;
    background-color: #DDEEDD;
    font-family: Tahoma;
    text-align: center;
}
ul{list-style-type: square;}
li{text-align: left;}
header, footer{
    color: white;
    font-size: 120%;
    padding: 10px;
}
header{background-color: #409fff;}
nav{
    background-color: #ffffff;
    word-spacing: 30px;
    padding: 10px;
}
main{
    background-color: #e4c0a8;
    width: 30%;
    height: 650px;
    float:left;
}
aside{
    width: 70%;
    height: 650px;
    overflow: auto;
    float:left;
}
footer{background-color: #a0a0a0; clear: both;}
a{color:#009900;}
table{
    margin-top: 20px;
    margin: auto;
}
img{width: 90%;}