html, body {
    height: 100%;
    width:  100%;
}

html {
    display: table;
}

body {
    display: table-cell;
    font-family: Roboto, sans-serif;
    vertical-align: middle;
}

img.logo {
    display: block;
    margin:  1em auto 2em;
    min-width: 200px;
    width: 30%;
    max-width: 512px;
}

h1 {
    text-align: center;
    font-family: 'Roboto Slab', serif;
    font-weight: normal;
}

nav {
    margin: auto;
}

nav>ul {
    list-style-type: none;
    text-align: center;
}

nav>ul>li {
    font-size: 130%;
    display: inline-block;
    margin: 1em 3em;
}

nav a {
    text-decoration: none;
    color: #2e5882;
}

nav a:hover {
    border-bottom: 1px solid #2e5882;
}