All clearing methods

After reading a question on forrst I realized that there were a lot of false truth about clearing floats technics. I made this page to summarize these and choose those to use (or not) once and for all.

The results below are not complete but really tested. Even if I know that safari correctly interpret these methods before version 5, I tested with safari 5 and will not speculate.

My results

Extra markup :after overflow: auto overflow: hidden float
Chrome 6+ OS X
Chrome 5+ Windows Vista
Firefox 2+ OS X
Firefox 3.5.9+ Windows Vista
Internet Explorer 5.5+ Windows Vista
Opera 10.10+ OS X
Opera 10.50+ Windows Vista
Safari 5+ OS X
Safari 5+ Windows Vista

Yours

Awaiting for your submissions : cahnory@gmail.com

Demonstration

The "extra markup" method

#test-1 .clearer { clear: left; }
/* IE fixes */
.lt-ie8 #test-1 .clearer { height: 0; }
.lt-ie7 #test-1 .clearer { font-size: 0; }

If you want to use classes like these to fix ie issues see this page

Edit me...

The ":after" method

#test-2:after { content: ''; display: block; clear: left; }

Until Internet Explorer 8, the content is not generated but properties seems to be applied.

The "overflow: auto" method

#test-3 { overflow: auto; }

The "overflow: hidden" method

#test-3 { overflow: hidden; }

The "float" method

#test-3 { float: left; }