* {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

body {
    font-family: Arial, sans-serif;
    background-color: #e0e0e0;
    color: #333;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    height: 100vh;
    padding: 20px;
}

h1 {
    font-size: 2.5rem;
    margin-bottom: 20px;
}

p {
    font-size: 1.2rem;
    margin-bottom: 30px;
}

label {
    font-size: 1rem;
    margin-right: 10px;
}

input[type="range"] {
    margin: 10px 0;
    width: 300px;
}

select {
    margin: 10px 0;
    padding: 5px;
    font-size: 1rem;
}

button {
    background-color: #4CAF50;
    color: white;
    padding: 10px 20px;
    border: none;
    border-radius: 5px;
    cursor: pointer;
    font-size: 1rem;
    transition: background-color 0.3s;
}

button:hover {
    background-color: #45a049;
}

canvas {
    margin-top: 30px;
    border: 1px solid #ccc;
}