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

.container {
    display: inline-block;
    width: 800px;
    margin-left: calc((100% - 800px) / 2);
    margin-right: calc((100% - 800px) / 2);
    margin-bottom: 30px;
}

.logo {
    float: left;
}

.menu {
    float: right;
    margin-top: 10px;
}

.link {
    float: left;
    margin-left: 20px;
    font-size: 20px;
    line-height: 20px;
    text-decoration: none;
}
.link:hover {
    text-decoration: underline;
}

.link:first-child {
    margin-left: 0;
}

.left-column {
    width: 40%;
    float: left;
}

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

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

main hr {
    width: 100px;
    float: left;
    margin: 0;
    height: 4px;
    background-color: #648;
    border-radius: 2px;
    border: none;
}

main p {
    display: inline-block;
    width: 100%;
    color: #777;
}

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

.btn {
    display: inline-block;
    padding: 10px 30px;
    border-radius: 22px;
    text-decoration: none;
    background-color: #648;
    border: 2px solid #648;
    font-size: 20px;
    line-height: 20px;
    color: #fff;
}
.btn:hover {
    box-shadow: 0 4px 8px #0004;
}

.btn.btn-white {
    color: #648;
    background-color: #fff;
}
.btn.btn-big {
    padding: 20px 50px;
    font-size: 30px;
    line-height: 30px;
}

main > img {
    width: 55%;
    float: right;
    transition: all 1.5s;
}
main > img:hover {
    transform: rotate(360deg) skew(-20deg);
    opacity: 0;
}

footer div {
    float: left;
}

footer div > a {
    float: left;
    text-decoration: none;
    font-size: 20px;
    color: #aaa;
    transition: all 3s;
}
footer div > a:hover {
    transition: all 1s;
}
footer div > a + a {
    margin-left: 10px;
}
footer div > a:nth-of-type(1):hover {
    color: #648;
}
footer div > a:nth-of-type(2):hover {
    color: red;
}
footer div > a:nth-of-type(3):hover {
    color: orange;
}
footer div > a:nth-of-type(4):hover {
    color: green;
}

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