body {
    font-family: Arial, sans-serif;
    margin: 0;
    padding: 0;
    background-color: #14213D;
    color: #333;
}

.container {
    max-width: 960px;
    margin: 0 auto;
    padding: 20px;
    text-align: center;
}

header {
    margin-bottom: 40px;
}

header h1 {
    font-size: 2.5em;
    margin-bottom: 10px;
    color: #ffffff;
}

header p {
    font-size: 1.2em;
    margin-bottom: 5px;
    color: #ffffff;
}

main {
    margin-bottom: 20px;
}

.app-screenshot {
    max-width: 100%;
    height: auto;
}

footer {
    font-size: 1em;
}

footer p {
    margin: 5px 0;
    color: #ffffff;
}