.transition(@value) {
-webkit-transition: @value; // Safari 3.1-6.0, iOS 3.2-6.1, Android 2.1-4.3
-moz-transition: @value; // Firefox 4-15
- -o-transition: @value; // Opera 10.5-12.0
transition: @value; // Chrome 26+, Firefox 16+, IE 10+, Safari 6.1+, Opera 12.1+, iOS 7+, Android 4.4+
}