add ui

ui/components/form/var.inc.styl

@@ -0,0 +1,14 @@
+form-styles()
+  appearance: none
+  display: block
+  width: 100%
+  font-size: rem($font-size-secondary)
+  margin: $input-margin
+  height: rem($form-control-height)
+  line-height: 1.2
+  padding: rem(5px)
+  border: $input-border
+
+  &.inline
+    display: inline-block
+    width: auto