body {
    font-family: Verdana, Geneva, Tahoma, sans-serif;
}

header,
main {
    margin-top: 15px;
    margin-bottom: 20px;
    width: 80%;
    display: inline-block;
    margin-left: 10%;
}

header > img {
    height: 30px;
    float: left;
}

nav {
    float: right;
    margin-top: 7px;
}

nav > a {
    text-decoration: none;
    color: #000;
    font-weight: bold;
    margin-left: 40px;
    font-size: 16px;
    line-height: 16px;
}

nav > a:first-child {
    margin-left: 0;
}

main > div {
    width: 50%;
    float: left;
    margin-top: 70px;
}

main h1 {
    font-size: 100px;
    font-weight: normal;
    line-height: 100px;
    margin: 0;
}

main h2 {
    font-size: 90px;
    line-height: 90px;
    margin: 0;
}

main hr {
    border: 2px solid #B4DFEE;
    background-color: #B4DFEE;
    width: 45%; margin-left: 0;
    border-radius: 3px;
    margin-top: 20px;
}

main p {
    font-size: 18px;
    width: 80%;
}

main div:last-child {
    margin-top: 20px;
}

main a {
    display: inline-block;
    text-decoration: none;
    background-color: #B4DFEE;
    color: #fff;
    border: 2px solid #B4DFEE;
    padding: 10px;
    padding-left: 40px;
    padding-right: 40px;
    border-radius: 20px;
    font-size: 18px;
    line-height: 18px;
}

main a:last-child {
    background-color: #fff;
    color: #000;
}

main > img {
    width: 50%;
    float: right;
}