body {
    background-color: white;
    font-family: Arial, Helvetica, sans-serif;
    margin: 0px;
    padding: 0px;
}

header {
    background-color: black;
    color: white;
    text-align: center;
    padding-bottom: 10px;
}

header nav ul {
    list-style: none;
    margin: 0px;
    padding: 0px;
}

header nav ul li {
    display: inline-block;
}

header nav ul li a {
    color: white;
    font-size: 1.2em;
    text-decoration: none;
    margin-right: 15px;
}

main {
    text-align: center;
}

main img {
    max-width: 60%;
    padding: 15px;
    padding-bottom: 40px;
    -webkit-box-shadow: 0px 0px 10px 0px rgba(0, 0, 0, 0.75);
    -moz-box-shadow: 0px 0px 10px 0px rgba(0, 0, 0, 0.75);
    box-shadow: 0px 0px 10px 0px rgba(0, 0, 0, 0.75);
}

main nav ul {
    list-style: none;
    margin: 0px;
    padding: 0px;
}

main nav ul li {
    display: inline-block;
}

main nav ul li a {
    color: black;
    font-size: 1.2em;
    text-decoration: none;
    margin-right: 15px;
}