How to overcome the cross browser compatibility issues while designing webpages?
I am listing out two very basic steps that would help:
1) HTML, CSS code should be W3C standards compliant.
2) Test your webpages on multiple browsers and OS. You dont have to install multiple browsers on your system. There are a number of tools (like Browsershots) that display how your webpage looks on different browsers.
For a more detailed and informative resource to achieve cross-browser compatibility – Check it out here.