body{
    font-family: Arial, Helvetica, sans-serif;
    padding: 20px;
}

header h1{
    background-color: orangered;
    color: white;
    padding: 20px;
    text-align: center;
}

nav ul{
    background-color: lightgreen;
    padding: 20px;
}

main section, main article{
    background-color: aquamarine;
}

main section h2, main article h2{
    text-align: center;
    text-transform: uppercase;
    padding: 10px;
    border: 5px solid orange;
    background-color: lightgray;
}

main section p, main article p{
    border: 5px solid red;
}

main section img, main article img{
    border: 5px solid purple;
    max-height: 200px;
}

main section h3, main article h3{
    border: 3px solid #0055d4;
}

main section ul, main article ul{
    background-color: yellow;
    border: 3px solid;
    padding: 20px;
}