tab-size Submit your test result so it can be shown on the home page I have tabs inside! Click the "Try it" button to cahnge the tab-size property of the PRE element Try it Note: The tabSize property is supported in Chrome, Safari 6.1+ and Opera 15+. Note: Firefox supports an alternative, the MozTabSize property. Note: Opera 10.6-12.1 supports an alternative, the OTabSize property. Feature Supported? Yes Partially No Test Result: