Merge remote-tracking branch 'origin/patch-1.0'

src/scss/_variables.scss

@@ -459,7 +459,7 @@ $custom-select-padding-y:          .375rem !default;
 $custom-select-padding-x:          .75rem  !default;
 $custom-select-height:              $input-height  !default;
 $custom-select-indicator-padding:   1rem !default; // Extra padding to account for the presence of the background-image based indicator
-$custom-select-line-height:         $input-btn-line-height !default;
+$custom-select-line-height:         1.2 !default;
 $custom-select-color:               $input-color !default;
 $custom-select-disabled-color:      $gray-600 !default;
 $custom-select-bg:            $white !default;