html, body {
    height: 100%;
    margin: 0;
}
body {
    background-color: #0099FF;
    font-family: Arial, Helvetica, sans-serif;
    font-size: medium;
    line-height: 1.6rem;
    color: #222;
    margin: 0 auto;
    max-width: 950px;
}

a:link, a:visited {
    color: #006699;
}
a:hover, a:active {
    color: #0099FF;
}

h1 {
    font-size: 24pt;
}
h2 {
    font-size: 14pt;
}

img {
    max-width: 100%;
    height: auto;
}
img.circle {
    border-radius: 50%;
}

header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    line-height: 3rem;
    background-color: rgba(255, 153, 255, 0.8);
    box-shadow: 0px 2px 2px #000;
}
header h1 {
    margin: 0;
    font-size: larger;
    font-style: italic;
}
header nav {
    max-width: 860px;
    margin: 0 auto;
    padding: 0 2rem;
    font-size: large;
}
header nav ul {
    list-style: none;
    float: right;
    margin: 0;
}
header nav ul li {
    display: inline;
    padding-left: 8px;
}
header nav a {
    color: #000 !important;
    font-weight: bold;
    text-decoration: none;
}

main {
    min-height: 100%;
    margin: 0 24px;
    background-color: #FFF;
    box-shadow: 0px 0px 4px #000;
}
section {
    padding: 2rem;
}
section.first {
    padding-top: 4rem;
}

footer {
    max-width: 860px;
    padding: 0 4rem;
    margin: 2rem auto;
    color: #036;
    font-weight: bold;
    text-align: center;
    font-style: italic;
}

.center {
    display: block;
    text-align: center;
    margin-left: auto;
    margin-right: auto;
}