Refactored layout styles:

1. Now iPad vertical gets a collapsed sidebar with columns
2. Moved sidebar toggler styles from layout to sidebar/base
3. Added body class .sidebar-footer to support an always collapsed sidebar
4. Added $indented-lists (bool) for easily setting list indent preferences
5. Removed no-sidebar checking from sidebar-toggler, handled it through css.

.themes/classic/sass/custom/_layout.scss

@@ -2,6 +2,7 @@
 // To give it a try, uncomment some of the lines below, make changes, rebuild your blog, and see how it works.
 
 //$max-width: 1350px;
+//$indented-lists: true;
 
 // Padding used for layout margins
 //$pad-min: 18px;

.themes/classic/sass/custom/_styles.scss

@@ -1,7 +1,2 @@
 // This File is imported last, and will override other styles in the cascade
 // Add styles here to make changes without digging in too much
-
-// For example if you want indented lists on all screen sizes uncomment the following lines
-// #content article {
-//  ul, ol { margin-left: 1.4em; }
-// }