Is it possible to set the size of the background image with CSS? I want to do something like: background: url('bg.gif') top repeat-y; background-size: 490px; But it. Crop, resize images to the exact pixels or proportion you specified, making it easy to use them as your desktop wallpaper, Facebook cover photo, Twitter profile photo. Example 1 - Creating a Transparent Image. The CSS3 property for transparency is opacity. First we will show you how to create a transparent image with CSS. I think the problem is the URL path of your img. /_catalogs/etc/ will link to domain.sharepoint.com/_catalogs, and if the image only exists under your /sites/mysite. If you are looking for how to do FULL SCREEN BACKGROUND IMAGE, go here. My friend Richard recently came to me with a simple CSS question: Is there a way to Hey guys. Today I will be showing you how to create a very simple CSS background that will automatically resize according to the user's browser's height. This article describes how to deliver responsive images with CSS background images. Edit: If you do not have access to the PHP source code on your site, try this random background image script generator. Here's something I've been playing with lately. CSS background properties are used to define the background effects of an element. CSS properties used for background effects: background-color Below css sets an individual background on two divs; the images repeat themselves if they do not fit into the div size. How can I stretch the images using css to fit.