body {
    font-family: Arial, sans-serif;
    text-align: center;
    background-color: #f4f4f9;
    margin: 0;
    padding: 0;
}
.container {
    padding: 20px;
}
canvas {
    display: none;
}
.image-preview {
    margin: 20px 0;
}
.image-preview img {
    max-width: 100%;
    height: auto;
    border: 1px solid #ccc;
}
.ascii-art {
    font-family: monospace;
    white-space: pre;
    overflow: auto;
    background-color: #000;
    color: #00ff00;
    padding: 10px;
    display: block;
    width: 100%;
    height: 300px;
    margin-top: 20px;
}
.controls, .filters {
    margin: 20px 0;
}