> Putting an underscore in front of a CSS style Not just underscores! You don't want to exclude Opera do you?! All types of hacks existed to target specific br

> Putting an underscore in front of a CSS style Not just underscores! You don't want to exclude Opera do you?! All types of hacks existed to target specific browsers. *+html anyone? https://css-tricks.com/snippets/css/browser-specific-hacks/ https://css-tricks.com/snippets/css/browser-specific-hacks/ http://browserhacks.com/ http://browserhacks.com/