I want to create an icon for increasing/reducing coversize [closed]

1. How do I resize an image without cropping it?
2. How do I make background image fit all screen sizes in CSS?

How do I resize an image without cropping it?

Fotor's image resizer offers a fast and simple solution to resize images without cropping. Just upload your image to Fotor, enter your desired width or height in pixels, and Fotor will automatically resize your image.

How do I make background image fit all screen sizes in CSS?

Using CSS, you can set the background-size property for the image to fit the screen (viewport). The background-size property has a value of cover . It instructs browsers to automatically scale the width and height of a responsive background image to be the same or bigger than the viewport.