| <!DOCTYPE html> | 
 | <html lang="en"> | 
 | <meta charset="utf-8"/> | 
 | <title>CSS Test: font-synthesis-position: none disables fake super/subscripts</title> | 
 | <link rel="match" href="font-synthesis-position-001-ref.html"> | 
 | <meta name="assert" content="font-synthesis-position:none must prevent synthesizing forms for font-variant-position"> | 
 | <link rel="help" href="https://drafts.csswg.org/css-fonts-4/#font-synthesis-intro"> | 
 | <link rel="help" href="https://github.com/w3c/csswg-drafts/issues/7441#issuecomment-1680918811"> | 
 |  | 
 | <style> | 
 |     /* Lato has superscript Latin letters, but not subscript ones; | 
 |      * digits are available in both super- and subscript form. | 
 |      */ | 
 |     @font-face { | 
 |         font-family: "lato"; | 
 |         src: url(/fonts/Lato-Medium.ttf); | 
 |     } | 
 |     @supports not (font-synthesis-position: none) { | 
 |         .test::before { | 
 |             color: red; | 
 |             content: "font-synthesis-position is unsupported!" | 
 |         } | 
 |     } | 
 |     .test { | 
 |         font-family: "lato"; | 
 |         font-size: 2em; | 
 |     } | 
 |     .nosynth { | 
 |         font-synthesis-position: none; | 
 |     } | 
 |     .sub { | 
 |         font-variant-position: sub; | 
 |     } | 
 |     .super { | 
 |         font-variant-position: super; | 
 |     } | 
 | </style> | 
 |  | 
 | <section class="test nosynth"> | 
 |     <p>Synthetic super- and subscripts <em>must not</em> be used:</p> | 
 |     <p>Text with <span class="sub">sub</span> and <span class="sub">123</span> and <span class="sub">3.14</span></p> | 
 |     <!-- note that Lato does not support a superscript FULL STOP, so it will look bad! --> | 
 |     <p>Text with <span class="super">super</span> and <span class="super">123</span> and <span class="super">3.14</span></p> | 
 | </section> |