feat: Additions for tables and io

- Add active state for rows
- New elements for io
- Remove unused SASS placeholders

global/_common.scss

@@ -11,25 +11,6 @@
 
 // General classes
 // -----------------------------------------------------------------------------
-%size_content {
-	box-sizing: content-box;
-}
-
-%size_content_solo {
-	@extend %size_content;
-
-	*,
-	::before,
-	::after {
-		box-sizing: config.$box_sizing;
-	}
-}
-
-%size_io_button {
-	border: config.$width_border_io solid transparent;
-	padding: config.$padding_basic;
-}
-
 .di_none {
 	display: none !important;
 }