/* CSS Document */
body {
      font-family: Calibri;
     }
h1   {
      text-align: center;
     }
header,nav,main,aside,footer {
                               border: 5px solid;
                             }
header {
        background-color: #D3D3D3;
        border-color: black;
        height: 100px;
       }
nav    {
        background-color: #FFFF6C;
        border-color: #e7c157;
        height: 150px;
       }
main   {
        background-color: white;
        border-color: #df6c20 ;
        height: 400px;
       }
aside  {
        background-color: #D2D2D2;
        border-color: #8db243;
        height: 50px;
       }
footer {
        background-color: #81AAEF;
        border-color: #C8C8C8;
        height: 50px;
       }