Open the classic theme CSS file in a new tab

Theme:
Navbars:
Shadow:
Off: set the widget option shadow to false (data-shadow="false")
Icon shadow:
On: add class ui-shadow-icon to the button or its container
Gradient:
Off: remove background-image rules from classic theme CSS
Highlight:
Off: remove .ui-btn:before rule from classic theme CSS

I am a div with classes ui-body, ui-body-a and ui-corner-all.

I am a link

Panels

Reveal Overlay Push

I am a div with classes ui-bar, ui-bar-a and ui-corner-all. I am a link

We
Checkbox:
Radio:
Controlgroup: Three
Active button

Form inside static list:

ui-bar-a

Heading

I'm the collapsible content with a themed content block set to "a".

Section 1

I'm the collapsible content for section 1

Section 2

I'm the collapsible content for section 2

Section 3

I'm the collapsible content for section 3