html {
    font-size: 62.5%;
}
body {
    font-size: 2.0rem;
    font-family: 'Open Sans', sans-serif;
}
a {
    color: #000;
    text-decoration: none;
}
a:hover {
    color: #00A0C6;
    text-decoration: none;
    cursor: pointer;
}
div {
    height: 10.0rem;
    width: 100%;
    margin: -5.0rem auto 0;
    text-align: center;
    position: absolute;
    top: 50%;
}