@charset "utf-8";

p {
    text-align: center; 
    color: red;
    font-size:1em;
    font-family:cursive;
}

main { display: flex; }
    main > article { order: 2; min-width: 10em; flex:1; }
    main > nav     { order: 1; width: 300px; }
    main > aside   { order: 3; width: 300px; }