How can I create a left border box using Gutenberg in WordPress?

Creating a left border box in Gutenberg, WordPress's block editor, can be achieved using a few different methods. Here's a breakdown of how you can do it:

Method 1: Using the Group Block and Custom CSS

1. Add a Group Block: Start by adding a "Group" block to your page or post. This will serve as the container for your content.

2. Add Content: Inside the Group block, add the content you want to be within the left border box. This could be text, images, or other blocks.

3. Add a CSS Class: Select the Group block and in the "Advanced" settings, add a custom CSS class. For example, you could use left-border-box.

4. Add Custom CSS: Now, you need to add some custom CSS to your theme or using a plugin that allows custom CSS. Here's the CSS you'll need:

.left-border-box {
  border-left: 5px solid #007bff; / Adjust the color and thickness as needed /
  padding-left: 15px; / Add some padding to separate the text from the border /
}

- Adjust the border-left and padding-left values to your liking. The #007bff is an example color; you can change it to any color you prefer.

Method 2: Using the Columns Block

1. Add a Columns Block: Add a "Columns" block with two columns.

2. Adjust Column Widths: Set the first column to a very small width (e.g., 1%) and the second column to the remaining width (e.g., 99%).

3. Add a Background Color to the First Column: Select the first column and add a background color that will act as your border. You can also adjust the width of the column to control the thickness of the border.

4. Add Content to the Second Column: Add your content to the second column. This will be the main content of your left border box.

Method 3: Using a Custom HTML Block

1. Add a Custom HTML Block: Add a "Custom HTML" block to your page or post.

2. Add HTML and Inline CSS: Inside the Custom HTML block, add the following HTML and inline CSS:

<div style="border-left: 5px solid #007bff; padding-left: 15px;">
  <p>Your content here.</p>
</div>

- Replace "Your content here." with your actual content. Adjust the border and padding values as needed.

Which Method to Choose?

- Method 1 is the most flexible and recommended approach, as it allows you to easily reuse the style across your site by using a CSS class. It also keeps your content clean and separate from styling.

- Method 2 is a quick way to achieve the effect without writing CSS, but it might be less flexible for complex layouts.

- Method 3 is the least recommended, as it mixes content and styling, making it harder to maintain and reuse. It's best used for quick, one-off solutions.

By using one of these methods, you can easily create a left border box in Gutenberg, enhancing the visual structure of your WordPress content.

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