body {
    font-family: 'Comic Sans MS', cursive, sans-serif;
    background: linear-gradient(to right, #e0c3fc, #8ec5fc);
    margin: 0;
    padding: 0;
    color: #333;
}

.header {
    background-color: #6a1b9a;
    color: white;
    padding: 1rem;
    text-align: center;
    font-size: 1.5rem;
}

#main {
    display: flex;
    justify-content: center;
    align-items: center;
    padding: 2rem;
}

.container {
    background-color: white;
    padding: 2rem;
    border-radius: 15px;
    box-shadow: 0 4px 8px rgba(0, 0, 0, 0.1);
    text-align: center;
    max-width: 400px;
    width: 90%;
}

.letter {
    font-size: 6rem;
    color: #6a1b9a;
    margin: 20px 0;
}

.buttons {
    display: flex;
    justify-content: space-around;
    margin-bottom: 20px;
}

.btn,
.next-button,
.exit-button {
    background-color: #8e24aa;
    border: none;
    color: white;
    padding: 12px 20px;
    border-radius: 10px;
    font-size: 1.1rem;
    cursor: pointer;
    transition: background-color 0.3s ease;
}

.btn:hover,
.next-button:hover,
.exit-button:hover {
    background-color: #6a1b9a;
}

.next-button {
    margin-top: 20px;
    display: none;
}

.exit-button {
    position: absolute;
    top: 20px;
    right: 20px;
}