body {
    background-color: #333;
    color: #fff;
    font-family: monospace, sans-serif;
    text-align: center;
}

#version-output {
    width: 50%;
    margin: 0 auto;
    padding: 20px;
    border: 1px solid #555;
    background-color: #222;
    color: #fff;
    font-size: 18px;
}

.php-version {
    color: #00FF00;
}

.apache-version {
    color: #00FF00;
}