body {
    font-family: sans-serif;
    display: flex;
    justify-content: center;
    align-items: center;
    min-height: 100vh;
    background-color: #f0f0f0;
}

.container {
    background-color: #fff;
    padding: 20px;
    border-radius: 8px;
    box-shadow: 0 0 10px rgba(0, 0, 0, 0.1);
    text-align: center;
}

#imageCanvas {
    max-width: 500px;
    max-height: 400px;
    border: 1px solid #ddd;
    margin-bottom: 10px;
}

.controls {
    display: flex;
    flex-direction: column;
    align-items: center;
}

.controls button {
    margin-bottom: 5px;
    padding: 8px 12px;
    border: none;
    background-color: #007bff;
    color: white;
    border-radius: 4px;
    cursor: pointer;
}

.controls button:hover {
    background-color: #0056b3;
}

#filterRange {
    width: 100%;
}

.text-controls {
    display: flex;
    flex-direction: column;
    align-items: center;
    margin-top: 10px;
}

.text-controls input[type="color"] {
    margin-bottom: 5px;
    width: 50px;
    height: 30px;
    border: none;
    cursor: pointer;
}

.text-controls input[type="number"] {
    width: 60px;
    padding: 5px;
    margin-bottom: 5px;
    border: 1px solid #ddd;
    border-radius: 4px;
}