The Input block is a fundamental component that allows users to input information in forms through an
<input> element. Additionally, the Input block offers variations such as email, URL, number, and more, allowing you to specify the expected format for data entry.
To add a Input block, create a new form and open the Block Inserter tool. Use the search bar to find the Input block and click on its icon to insert it into the editor.
You can also choose the Input block from the “Block Inserter” (+) pop-up window when you click on the (+) sign.
In order to take full advantage of the Block Editor in WordPress, the Input block supports Color settings to modify the text and background colors, the Dimension settings to adjust padding and margin size, and the Border settings to control the width and radius of each side of the element.
Official documentation for these settings controls are available on WordPress.org: