body {
    font-family: 'Gill Sans', 'Gill Sans MT', Calibri, 'Trebuchet MS', sans-serif;
}

header,
main,
footer {
    display: inline-block;
    width: 800px;
    margin-left: calc((100% - 800px) / 2);
    margin-right: calc((100% - 800px) / 2);
    margin-bottom: 30px;
}

header > img {
    float: left;
}

nav {
    float: right;
    margin-top: 10px;
}

nav > a {
    float: left;
    margin-left: 20px;
    font-size: 20px;
    line-height: 20px;
    text-decoration: none;
    color: #000;
}

nav > a:hover {
    text-decoration: underline;
}

nav > a:nth-of-type(1) {
    margin-left: 0;
}

main > div {
    width: 40%;
    float: left;
}

main h1 {
    font-size: 60px;
    font-weight: normal;
    margin: 0;
}

main h2 {
    font-size: 55px;
    letter-spacing: -2px;
    margin: 0;
}

main hr {
    width: 90px;
    float: left;
    height: 4px;
    background-color: #664488;
    border: none;
    border-radius: 2px;
    margin: 0;
}

main p {
    display: inline-block;
    color: #777;
}

div > div {
    margin-top: 30px;
}

main a {
    display: inline-block;
    text-decoration: none;
    background-color: #664488;
    padding: 10px 30px;
    border-radius: 22px;
    font-size: 20px;
    line-height: 20px;
    color: #fff;
    border: 2px solid #664488;
}

main a:last-child {
    background-color: #fff;
    color: #664488;
}

main a:hover {
    box-shadow: 0 4px 8px #664488;
}

main > img {
    width: 55%;
    float: right;
    transition: all 5s;
}

main > img:hover {
    transform: rotate(360deg);
    opacity: 0;
}

footer div {
    float: left;
}

footer div > a {
    text-decoration: none;
    font-size: 20px;
    color: #777;
    float: left;
}

footer div > a:hover {
    color: #664488;
}

footer div > a + a {
    margin-left: 10px;
}

footer p {
    float: right;
    margin: 0;
}