styles.css

 body {
    font-family: Arial, sans-serif;
    margin: 0;
    padding: 0;
    background-color: #f2f2f2; /* Greyish background color */
}

#editor-container {
    width: 100%;
    max-width: 800px;
    margin: 20px auto;
    padding: 10px;
    box-sizing: border-box;
    background-color: #ffffff; /* White background color for the editor container */
    border: 1px solid #ccc;
}

#editor {
    width: 100%;
    height: 300px;
    padding: 10px;
    overflow: auto;
    resize: vertical;
    box-sizing: border-box;
}

#toolbar {
    text-align: center;
    margin-bottom: 20px;
}

button, input {
    padding: 5px 10px;
    font-size: 14px;
    margin: 0 5px;
    box-sizing: border-box;
}

#undoRedoContainer {
    position: fixed;
    top: 0;
    left: 0;
    padding: 10px;
    background-color: #f4f4f4;
    box-shadow: 0 2px 5px rgba(0, 0, 0, 0.1);
    z-index: 1000;
}