body{
    background-color: #497;
    color: bisque;
}
header{
    text-align: center;
    width: 400px;
    margin: 10px auto;
    border-top: double 5px #faebd7;
    border-bottom: double 5px #faebd7;
    border-radius: 50%;
}

/******************************/

main{
  background-color: #275;
  width: 80%;
  margin: auto;
  padding: 20px;
  border: double 7px goldenrod;
  border-radius: 30px;
}