/* Base styles */
body {
    font-family: Arial, sans-serif;
    text-align: center;
    margin: 0;
    padding: 0;
    transition: all 0.5s ease;
}

.container {
    padding: 50px;
}

/* Default Halloween Theme */
body.default {
    background-color: #1a1a1a; /* dark background */
    color: #ff8000; /* orange text */
    background-image: url('halloween-background.png'); /* optional Halloween image */
    background-size: cover;
}

/* Ghost Theme */
body.ghosts {
    background-color: #1b1b1b; /* dark grey */
    color: #f5f5f5; /* light grey text */
    background-image: url('ghost-background.png'); /* optional ghost image */
    background-size: cover;
}

/* Vampire Theme */
body.vampires {
    background-color: #2c0000; /* dark red */
    color: #ffcccc; /* pale red text */
    background-image: url('vampire-background.png'); /* optional vampire image */
    background-size: cover;
}

/* Mermaid Theme (Blue & Green) */
body.mermaids {
    background-color: #006699; /* deep blue */
    color: #00ffcc; /* bright green text */
    background-image: url('mermaid-background.png'); /* optional mermaid image */
    background-size: cover;
}

button, select {
    padding: 10px 20px;
    margin: 10px;
    font-size: 16px;
    cursor: pointer;
}