fix of the hover folder

src/css/Folder.styl

     &:hover
       background-color folder-hover
       .folder__header__triangleborder__triangle
-        border-color hover-folder transparent transparent transparent
+        border-color folder-hover transparent transparent transparent
     &__triangleborder
       display none
       position absolute
-      top 62px
+      top 61px
       left -1px
       border-style solid
       border-width 25px 30px 0 30px