body {
    font-family: Arial, sans-serif;
    background-color: #121212;
    color: white;
    padding: 20px;
}

.controls {
    max-width: 600px;
    margin-bottom: 20px;
}

label {
    display: block;
    margin-top: 10px;
}

textarea,
input[type="file"],
select,
input[type="text"] {
    width: 100%;
    margin-top: 5px;
}

canvas {
    border: 5px solid black;
    margin-top: 20px;
    max-width: 100%;
}

button {
    margin-top: 15px;
    padding: 10px;
    background-color: crimson;
    color: white;
    border: none;
    cursor: pointer;
}

button:hover {
    background-color: darkred;
}