Create readme.md

Readme file for using UI macro

Author: dvn-lazywinner

UI Macros/FormBackground/readme.md

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+# ServiceNow UI Macro - Form Background Macro
+
+> A lightweight UI Macro to style ServiceNow forms with a custom background and simple element theming
+
+## Features
+
+* Adds a full-cover background image to a form (supports cover, center positioning).
+* Makes table/form/section backgrounds transparent so the background shows through.
+* Easy to customize (image path, label styles, button styles, additional CSS selectors).
+
+## Requirements
+
+* ServiceNow instance with admin access.
+* An image to set as background
+
+> ⚠️ Note: This macro uses Jelly/CSS that may not work as expected in some Next Experience workspaces or future UI updates. Test in a non-production instance first.
+
+## Installation
+
+1. **Upload the background image**
+
+   * Navigate to **System UI > Images** and upload your background image (e.g., `formbg.png`).
+
+2. **Create the UI Macro**
+
+   * Go to **System UI > UI Macros** and create a new macro (e.g., `ui_form_background`).
+   * Copy the example macro content below into the UI Macro.
+
+3. **Create a UI Formatter**
+
+   * Go to **System UI > Formatters**. Create a new formatter for the target table (for example, `incident` table).
+   * In the *Formatter* field, reference the macro name you created (e.g., `ui_form_background.xml`).
+
+4. **Add the Formatter to the Form Layout**
+
+   * Open the form layout for the target table (Form Layout / Form Designer) and place the formatter region on the form.
+   * Save and open a record to see the background applied.
+
+## Result
+
+<img width="1838" height="922" alt="image" src="https://github.com/user-attachments/assets/92b81219-69e0-4f20-96ca-8d1bdc92a0ab" />
+