DIFFERENT VERSIONS OF CSS & BROWSER QUIRKS

CSS1 was released in 1996 and CSS2 followed two years later. Work on CSS3 has been ongoing but the major browsers have already started to implement it.

In the same way that there have been several versions of HTML, there have also been different versions of CSS.

Browsers did not implement all CSS features at once, so some older browsers do not support every property.

This is mentioned when it is likely to affect you, along with notes where CSS properties might not behave as expected.

Any seasoned user of CSS will tell you that some browsers display a few of the CSS properties in an unexpected way. But finding and squashing those bugs is easy when you know how…

Before launching any new site, it is important to test it in more than one browser, because ther can be slight differences in how browsers display the pages.