body {
    font-family: Arial, sans-serif;
    text-align: center;
    margin: 0;
    padding: 0;
    background-color: #f0f0f0;
}

.container {
    max-width: 600px;
    margin: 50px auto;
    padding: 20px;
    background-color: #fff;
    border-radius: 10px;
    box-shadow: 0 0 10px rgba(0,0,0,0.1);
}

h1 {
    font-size: 24px;
    margin-bottom: 20px;
}

p {
    font-size: 16px;
    margin-bottom: 20px;
}

button {
    padding: 10px 20px;
    font-size: 16px;
    margin: 10px;
    cursor: pointer;
    background-color: #eb3c3c;
    color: white;
    border: none;
    border-radius: 5px;
}

button:hover {
    background-color: darkred;
}

input[type="range"] {
    margin: 20px 0;
}