/* 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;
}