Arty Well-known member Jul 20, 2013 #1 Code: transition: opacity 0.3s ease-in-out; -webkit-transition: opacity 0.3s ease-in-out; -moz-transition: opacity 0.3s ease-in-out; Unprefixed version should always go last. Often prefixed versions trigger legacy code in browsers, so placing unprefixed version last will make sure browsers always use latest code to handle those css rules.
Code: transition: opacity 0.3s ease-in-out; -webkit-transition: opacity 0.3s ease-in-out; -moz-transition: opacity 0.3s ease-in-out; Unprefixed version should always go last. Often prefixed versions trigger legacy code in browsers, so placing unprefixed version last will make sure browsers always use latest code to handle those css rules.