Fix lint issue

mderrick · mderrick · commit 77c9ca1c643a · 2017-01-01T18:10:24.000+08:00
diff --git a/src/DefaultPlayer/PlayPause/PlayPause.css b/src/DefaultPlayer/PlayPause/PlayPause.css
@@ -18,7 +18,7 @@
 }
 
 .button:focus {
-    outline:0;
+    outline: 0;
 }
 
 .icon {
