# Widget_Common - `common.php`

## Technical Description:

This class is responsible for registering the controls under the `Advanced` tab of each widget in Elementor.


## Features:

### Mask:
We've added a mask option to any type of widget in Elementor, using the CSS `mask` property.

#### Knowledge Base:
- [Mask Option on Elementor.com](https://elementor.com/help/mask-option/)
  

- [How to Use Elementor's Mask Option](https://www.youtube.com/watch?v=tujmkmuqM0M)
  

- [Mask property reference on MDN](https://developer.mozilla.org/en-US/docs/Web/CSS/mask)


- [CSS-Tricks: Clipping and Masking in CSS](https://css-tricks.com/clipping-masking-css/)
  

- [CSS-Tricks: mask-image](https://css-tricks.com/almanac/properties/m/mask-image/)
  

- [web.dev: Apply effects to images with CSS's mask-image property](https://web.dev/css-masking/)
  

- [CSS & SVG Masks](https://lab.iamvdo.me/css-svg-masks/)
