body {
    font-family: "Comic Sans MS", sans-serif;
    background-color: blanchedalmond;
}

@media (min-width: 1200px) {
    header {
        width: 25%;
    }
    nav {
        width: 30%;
    }
    main {
        width: 40%;
    }
    footer {
        width: 40%;
    }
}

@media (max-width: 1200px) {
    .right-pic {
        display: none;
    }
    .left-pic {
        display: none;
    }
}

header {
    display: flex;
    margin: auto;
}

header > div {
    margin: auto;
    padding: 10px;
}

header > img {
    margin: auto;
    padding: 10px;
    border-radius: 50%;
}

nav {
    margin: auto;
}

nav > ul > li {
    display: inline-block;
    margin-right: 1em;
}

footer {
    margin: auto;
    padding: 10px;
}

main {
    margin: auto;
}

.right-pic {
    position: fixed;
    height: 100%;
    top: 0%;
    left: 0%;
}

.left-pic {
    position: fixed;
    height: 100%;
    top: 0%;
    right: 0%;
}