.
  
  html
  should have a line height of 1.15
  
    abcdefghijklmnopqrstuvwxyz
  
  body
  should have no margin (opinionated)
  
    (there should be no red background visible on this page)
  
  
    article, aside, details,
    figure, figcaption, footer,
    header, main,
    menu, nav, section,
    summary
  
  should render as block
  
    article
    
    
      summary
      details
     
    
      figure
      figcaption
    
    
    
    main
    
    
    
   
  audio, canvas, progress, video
  should render as inline-block and baseline-aligned
  
    
    
    
    
   
  audio:not([controls]), template, [hidden]
  should not display
  
    
    
      {{title}}
      
    
    This should be hidden
   
  a
  should have a transparent background when active
  
  should not skip underlines
  
  should not have a focus outline when both focused and hovered (opinionated)
  
  abbr[title]
  should have a dotted underline with a solid underline as a fallback
  
  b, strong
  should have bolder font-weight
  
    b
    strong
  
  dfn
  should have italic font-style
  
    dfn
  
  h1
  should not change size within an article
  
    Heading (control)
    
      Heading (in article)
    
   
  should not change size within a section
  
    
Heading (control)
    
  
  mark
  should have a yellow background
  
    mark
  
  small
  should render equally small in all browsers
  
    control. small.
  
  sub and sup
  should not affect a line's visual line-height
  
    control.
    control. sub.
    control. sup.
   
  img
  should not have a border when wrapped in an anchor
  
  svg
  should not overflow
  
    
  
  code, kbd, pre, samp
  should render text at the same absolute size as normal text
  
    span: abcdefghijklmnopqrstuvwxyz.
    code: abcdefghijklmnopqrstuvwxyz.
    kbd: abcdefghijklmnopqrstuvwxyz.
    samp: abcdefghijklmnopqrstuvwxyz.
    pre: abcdefghijklmnopqrstuvwxyz.
   
  figure
  should have margins
  
  hr
  should have a content-box box model
  
    
  
  button, input, optgroup, select, textarea
  should inherit font-size from ancestor
  
    
    
    
    
  
  should not have margins
  
    
    
    
    
    
  
  button
  should have visible overflow
  
    
    
  
  button, select
  should not inherit text-transform
  
    
    
  
  button and button-style input
  should be styleable
  
  disabled button and input
  should have default cursor style
  
  button, input
  should not have extra inner padding in Firefox
  
  fieldset
  should have consistent border, padding, and margin
  
  legend
  should inherit color
  
    
  
  should not have padding
  
    
  
  should wrap text
  
    
  
  textarea
  should not have a scrollbar unless overflowing
  
    
  
  [type="checkbox"], [type="radio"]
  should have a border-box box model
  
    
    
    
  
  should not have padding
  
    
    
  
  [type="number"]
  should display a default cursor for the decrement button's click target in Chrome
  
    
  
  [type="search"]
  should be styleable
  
    
  
  should reference inherited color