#485 fix

scss/vendor/_selectize.scss

@@ -23,6 +23,29 @@
     border-left: 0 !important;
     color: $text-muted !important;
   }
+
+  @each $state, $data in $form-validation-states {
+    $color: map-get($data, 'color');
+
+    &.is-#{$state} {
+      padding: 0;
+
+      .selectize-input {
+        border-color: $color;
+
+        &.focus {
+          box-shadow: 0 0 0 $input-focus-width rgba($color, .25);
+        }
+      }
+
+      .selectize-dropdown {
+        background: none;
+        background-color: inherit;
+        border-color: $border-color;
+        padding-right: 0;
+      }
+    }
+  }
 }
 
 .selectize-input {
@@ -33,15 +56,19 @@
   font-size: $input-font-size;
   box-shadow: none;
   line-height: $input-line-height;
-  background-color: inherit !important;
+  background-color: inherit;
   color: inherit !important;
 
+  &.full {
+    background-color: inherit;
+  }
+
   &.dropdown-active {
     border-radius: $border-radius;
   }
 
   .selectize-control.single & {
-    background: $form-select-bg escape-svg($form-select-indicator) $form-select-bg;
+    background: $form-select-bg escape-svg($form-select-indicator) no-repeat $form-select-bg-position/$form-select-bg-size;
   }
 
   &.focus {