style.css

body, html {
    font-family: Arial, sans-serif;
    margin: 0;
    padding: 0;
    height: 100%;
}

#upload,
#controls {
    margin: 15px;
}

#visualization {
    width: 100%;
    height: 80vh;
    border: 1px solid lightgray;
}

textarea {
    width: 100%;
    margin: 15px;
    height: 100px;
}

button {
    margin: 15px;
    padding: 10px 20px;
    background-color: #4CAF50; /* Green */
    border: none;
    color: white;
    text-align: center;
    text-decoration: none;
    display: inline-block;
    font-size: 16px;
    transition-duration: 0.4s;
    cursor: pointer;
}

button:hover {
    background-color: white;
    color: black;
    border: 1px solid #4CAF50;
}

/* Example box styling */
.example {
    background-color: #f8f8f8;
    border: 1px solid #ddd;
    border-radius: 5px;
    padding: 5px;
    margin-top: 10px;
    margin-left: 0px;
}

.example p {
    font-family: 'Courier New', monospace;
}

.example input {
    width: calc(100% - 32px);
    padding: 10px;
    margin-top: 10px;
    box-sizing: border-box;
    font-family: 'Courier New', monospace;
    font-size: 14px;
}

/* Special styling for your JSON example */
.example pre {
    background-color: #eee;
    border-radius: 4px;
    overflow-x: auto;
}