*{
    margin: 0;
    box-sizing: border-box;
}

div{
    width: 800px;
    margin:auto;
    background-color: antiquewhite;
    text-align: center;
}

header{
    background-color: black;
}

header h1{
    color: brown;
}

nav{
    background-color: cadetblue;
}

nav ul{
    padding-left: 0;
}

nav ul li{
    display: inline;
}

main{
    background-color: aquamarine;
}

main p{
    color: brown;
    border: 5px dotted darkgreen;
}

footer{
    background-color: cadetblue;
}