* {
    box-sizing: border-box;
}

body {
    background-color: #20242b;
    color: #111111;
    font-family: Verdana, Arial, sans-serif;
    font-size: 13px;
    margin: 0;
    overflow-wrap: break-word;
}

#page {
    width: 750px;
    max-width: calc(100% - 30px);
    margin: 25px auto;
    background-color: #eeeeee;
    border: 2px solid #777777;
}

header {
    background-color: #18263b;
    color: white;
    text-align: center;
    padding: 20px;
    border-bottom: 2px solid #777777;
}

header h1 {
    margin: 0;
    font-size: 30px;
}

header p {
    margin: 5px;
    color: #bbbbbb;
}

nav {
    background-color: #cccccc;
    text-align: center;
    padding: 8px;
    border-bottom: 1px solid #777777;
    line-height: 1.8;
}

nav a {
    color: #000066;
    font-weight: bold;
}

nav a:hover {
    color: #990000;
}

main {
    padding: 15px;
}

section {
    background-color: white;
    border: 1px solid #999999;
    margin-bottom: 15px;
    padding: 12px;
}

section h2 {
    background-color: #263b59;
    color: white;
    font-size: 16px;
    margin: -12px -12px 12px -12px;
    padding: 5px;
}

h3 {
    color: #263b59;
}

a {
    color: #0000cc;
}

a:visited {
    color: #660099;
}

footer {
    border-top: 2px solid #777777;
    background-color: #cccccc;
    text-align: center;
    padding: 10px;
    font-size: 11px;
    color: #444444;
}

img {
    max-width: 100%;
    height: auto;
}