Merge pull request jgthms#15 from Ronamo/bug-select-arrow-ie

Bug select arrow ie

Author: jgthms

bulma/elements/controls.sass

@@ -160,6 +160,8 @@
     padding-right: 36px
     &:hover
       border-color: $control-hover-border
+    &::ms-expand
+      display: none
   &:after
     +arrow($link)
     margin-top: -6px