body {
    margin: 0;
    padding: 0;
    font-family: Arial, sans-serif;
    background-color: #f5f5f5;
}

canvas#canvas {
    border: 1px solid black;
    image-rendering: pixelated;
    max-width: 100%;
    height: auto;
    cursor: crosshair;
}

div.block {
    border: 1px solid black;
    background-color: #fff;
    padding: 20px;
    margin: 5px 0;
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
}

div.wrapper {
    max-width: 1200px;
    padding: 20px;
    margin: 0 auto;
    display: flex;
    flex-direction: column;
    align-items: center;
}

h1 {
    font-size: 2.5em;
    margin-bottom: 0;
}

p {
    margin: 10px 0;
}

table {
    width: 100%;
    border-collapse: collapse;
}

th,
td {
    border: 1px solid #ddd;
    padding: 10px;
    text-align: left;
}

th {
    background-color: #f2f2f2;
    font-weight: bold;
}

input[type="number"] {
    width: 50px;
}

input[type="color"] {
    padding: 3px;
}

input[type="checkbox"] {
    margin-right: 10px;
}

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

#lwidth_testbox {
    width: 30px;
    height: 30px;
    display: flex;
    align-items: center;
    justify-content: center;
}

#lwidth_test {
    width: 5px;
    height: 5px;
    border-radius: 50%;
    background-color: black;
}

textarea {
    resize: none;
    word-wrap: none;
    padding: 10px;
    border: 1px solid #ddd;
}

button {
    background-color: #4CAF50;
    color: white;
    padding: 10px 20px;
    border: none;
    cursor: pointer;
    margin-right: 10px;
}

button:hover {
    background-color: #45a049;
}

input[type="file"] {
    padding: 10px;
    margin: 0;
}

footer {
    background-color: #fff;
    padding: 20px;
    text-align: center;
    margin-top: 20px;
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
}

footer p {
    margin: 0;
}

footer a {
    color: #007bff;
    text-decoration: none;
}

footer a:hover {
    text-decoration: underline;
}

label[for="prototype"] {
    display: inline-block;
    margin-bottom: 10px;
}

textarea#prototype {
    display: inline-block;
    vertical-align: middle;
    margin: 0;
}