[Frontend] Time controller-related styling (CP > open117)

open #1515
open #117
Fixing selects;
Minor tweak to normalize espresso/.../mixins.scss;
(cherry picked from commit 2866d56)

platform/commonUI/general/res/sass/forms/_selects.scss

@@ -25,6 +25,7 @@
 	padding: 0 $interiorMargin;
     overflow: hidden;
 	position: relative;
+    line-height: $formInputH;
 	select {
 		@include appearance(none);
 		@include box-sizing(border-box);