Update _base.css

Just saw a little thing that could be compressed

Author: procodeing

source/_base.css

@@ -19,12 +19,9 @@ Copyright (c) 2015 Daniel Eden
   animation-duration: 2s;
 }
 
-.animated.bounceIn,
-.animated.bounceOut {
-  animation-duration: .75s;
-}
-
 .animated.flipOutX,
-.animated.flipOutY {
+.animated.flipOutY,
+.animated.bounceIn,
+.animated.bounceOut{
   animation-duration: .75s;
 }