/* Apply a modern font and base styles */
body {
    font-family: 'Arial', sans-serif;
    background-color: #f4f4f4;
    color: #333;
    margin: 0;
    padding: 0;
    line-height: 1.6;
}

#container {
    max-width: 600px;
    margin: 50px auto;
    background: #fff;
    padding: 20px;
    border-radius: 8px;
    box-shadow: 0 0 10px rgba(0, 0, 0, 0.1);
}

h1 {
    text-align: center;
    color: #333;
    margin-bottom: 20px;
    font-size: 24px;
}

article {
    font-size: 16px;
    color: #555;
    margin-bottom: 30px;
    text-align: center;
}

label {
    display: block;
    font-size: 16px;
    color: #444;
    margin-bottom: 8px;
}

input[type="file"],
input[type="text"],
input[type="range"],
input[type="color"] {
    width: calc(100% - 20px);
    margin-bottom: 20px;
    padding: 10px;
    border: 1px solid #ddd;
    border-radius: 4px;
    font-size: 16px;
}

input[type="range"] {
    width: 100%;
}

canvas {
    width: 100%;
    border: 2px solid #ddd;
    border-radius: 8px;
    margin-bottom: 20px;
    transition: border-color 0.3s;
}

canvas:hover {
    border-color: #aaa;
}

button {
    display: block;
    width: 100%;
    padding: 15px;
    background-color: #28a745;
    color: #fff;
    border: none;
    border-radius: 4px;
    font-size: 16px;
    cursor: pointer;
    transition: background-color 0.3s;
}

button:hover {
    background-color: #218838;
}

footer {
    text-align: center;
    margin-top: 40px;
    font-size: 14px;
    color: #777;
}