---

body{
    margin: 0;
    background: #EEEEEE;
    font-family: system-ui, sans-serif;
}

header{
    background: #333333;
    color: white;
    padding: 20px;
    text-align: center;
}

nav a {
    color: white;
    text-align: center;
    padding: 20px;
    text-decoration: none;
    font-size: 18px;
}

main{
    background: black;
    margin-top: 10px;
    margin-left: auto;
    margin-right: auto;
    padding: 10px;
    border-radius: 10px;
    width: 80%;
}