A background image can go a long way toward a customized Tumblr appearance. Getty Using CSS and JavaScript, you can dynamically change the background on your website.

Cascading Style Sheets (CSS) level 3, also known as CSS3, introduces multiple background images support. You can list multiple background images, separating each with a comma, and set how they ...

Can a 3D Minecraft implementation be done entirely in CSS and HTML, without a single line of JavaScript in sight? The answer ...

Output: The results of executing the CSS, HTML, and JavaScript entered into the sections of the page. Figure A shows jsFiddle loaded in Internet Explorer 9 with empty code panes. Figure A ...

Its seems simple—Websites should serve the right image to the right screen, high-resolution images to high-resolution devices and low res to the rest. But of course it’s not that simple.