refactor: separate styl file

browser/main/Detail/SnippetNoteDetail.styl

@@ -1,4 +1,4 @@
-$info-height = 60px
+@import('NoteDetailInfo')
 
 .root
   absolute top bottom right
@@ -6,42 +6,6 @@ $info-height = 60px
   border-style solid
   border-color $ui-borderColor
 
-.info
-  absolute top left right
-  height $info-height
-  border-bottom $ui-border
-  background-color $ui-backgroundColor
-
-.info-left
-  float left
-  padding 0 5px
-  margin 18px 2px
-
-.info-right
-  float right
-
-.info-right-button
-  width 34px
-  height 34px
-  border-radius 17px
-  navButtonColor()
-  border $ui-border
-  font-size 14px
-  margin 13px 2px
-  padding 0
-  &:active
-    border-color $ui-button--focus-borderColor
-  &:hover .info-right-button-tooltip
-    opacity 1
-  &:focus
-    border-color $ui-button--focus-borderColor
-.info-right-button-tooltip
-  tooltip()
-  position fixed
-  top 45px
-  padding 5px
-  opacity 0
-
 .body
   absolute left right
   top $info-height