body {
    font-family: monospace;
    background: #111;
    color: #eee;
    margin: 0;
}

header {
    text-align: center;
    padding: 20px;
    background: #000;
}

nav {
    background: #222;
    padding: 10px;
    text-align: center;
}

nav a {
    color: #0f0;
    margin: 10px;
    text-decoration: none;
}

.logo {
    width: 80px;
}

.app-icon {
    width: 100px;
}

.screenshot {
    width: 200px;
    margin: 10px;
}

.card {
    border: 1px solid #0f0;
    padding: 15px;
    margin: 20px;
}

.button {
    background: #0f0;
    color: #000;
    padding: 10px;
    display: inline-block;
    text-decoration: none;
}