header {
    background-color:white ;
    color: royalblue;
    text-align: center;
    margin: 10px 10px 0px 10px;
    height: 108px;
}
footer {
    background-color:white ;
    text-align: center;
    padding: 15px;
    margin: 0px 10px 10px 10px;
    font-size: 90%;
    clear: right;
    border: 3px groove skyblue;
    border-radius: 15px;
}
div#tableContainer {
    display: table;
    border-spacing: 10px;
}
div#tableRow {
    display: table-row;
}
article {
    border: 3px groove skyblue;
    border-radius: 15px;
    display: table-cell;
    font-size: 105%;
    padding: 15px;
    vertical-align: top;
    width: 500px;

}
aside {
    border: 3px groove skyblue;
    border-radius: 15px;
    display: table-cell;
    font-size: 105%;
    padding: 15px;
    vertical-align: top;
    float: left;
    width: 500px;
}
#eb {
    position: absolute;
    top: 30px;
    left: 30px;
}
nav {
    background-color: white;
    color: lightskyblue;
    padding: 0px 100px 0px 100px;
    text-align: center;
    margin-left: 10px;
    margin-right: 10px;
}
nav a {
    border: 3px groove skyblue;
    border-radius: 15px;
    padding: 0px 100px 0px 100px;
}
section {
    border: 3px groove skyblue;
    border-radius: 15px;
    display: table-cell;
    font-size: 105%;
    padding: 15px;
    vertical-align: top;
    float: none;
    width: 500px;
}