body{
    background-color:dimgray;
}
#header{
    background-color:grey;
    text-align:center;
    list-style-type:none;
    margin-left:25px;
    margin-right:25px;
}
#container{
    background-color: white;
    margin-left: auto;
    margin-right: auto;
    margin-top:11px;
}
#navigation{
    width: 1400px;
    height: 650px;
    border:2px solid grey;
    line-height: 200px
    text-align: center;
    background-color:firebrick;
    margin-right:25px;
    margin-left:25px;