[css2] Bikeshed HTML cleanup (w3c#5950)

Co-authored-by: Tab Atkins Jr <jackalmage@gmail.com>

Author: nschonni

css2/Overview.bs

@@ -168,7 +168,7 @@ Required IDs: abs-non-replaced-height, abs-non-replaced-width, absolutely-positi
     }
 }
 </pre>
-<style type="text/css">
+<style>
  span.colorsquare { float:left; width:5em; height:3em; text-align:center; padding:1.2em 0 .8em }
  span.colorname { font-weight:bold }
  div.colordiagram { width:25em; height:20em; margin:1em auto; font-family:Verdana,sans-serif; font-size:12px }
@@ -1911,7 +1911,7 @@ semicolon (;) or the next <a href="#block">block,</a> whichever comes
 first.
 </p>
 
-<p>CSS&nbsp;2 user agents must <a data-lt="ignore" href="#ignore">ignore</a> any <a href="#at-import">''@import''</a> rule that occurs inside a <a href="#block">block</a> or after any non-ignored statement other than an <a data-lt="">@charset</a> or an @import rule.
+<p>CSS&nbsp;2 user agents must <a data-lt="ignore" href="#ignore">ignore</a> any ''@import'' rule that occurs inside a <a href="#block">block</a> or after any non-ignored statement other than an <a data-lt="">@charset</a> or an @import rule.
 </p>
 
 <div class="illegal example"><p>
@@ -3713,9 +3713,9 @@ their name, attributes or content; in principle characteristics that
 cannot be deduced from the document tree. Pseudo-classes may be
 dynamic, in the sense that an element may acquire or lose a
 pseudo-class while a user interacts with the document. The exceptions
-are <a href="#first-child">'':first-child''</a>, which <em>can</em> be
+are '':first-child'', which <em>can</em> be
 deduced from the document tree, and
-<a href="#lang">'':lang()''</a>, which can be
+'':lang()'', which can be
 deduced from the document tree in some cases.
 </ul>
 
@@ -5666,7 +5666,7 @@ value type, which may take one of the following values:</p>
 <dd>A medium border.
 <dt><dfn id="valdef-border-width-thick">thick</dfn>
 <dd>A thick border.
-<dt><dfn id="valdef-border-width-<<length>>"><<length>></dfn>
+<dt><dfn id="valdef-border-width-length"><<length>></dfn>
 <dd>The border's thickness has an explicit value. Explicit
 border widths cannot be negative.
 </dl>
@@ -6390,21 +6390,20 @@ on <a href="#visibility">visibility</a> for details.
 </dl>
 
 <p>The computed value is the same as the specified value, except for
-positioned and floating elements (see <a href="#dis-pos-flo">Relationships between 'display', 'position', and
-'float'</a>) and for the root element.
+positioned and floating elements (see <a href="#dis-pos-flo">Relationships between <css>display</css>, <css>position</css>, and
+<css>float</css></a>) and for the root element.
 <!--
 For the root element, the
 computed value is as follows: 'inline-table' and 'table' become
 'table', 'none' stays 'none', everything else becomes 'block'.
 -->
 For the root element, the computed value is changed as described in
-the section on the <a href="#dis-pos-flo">relationships between 'display', 'position', and 'float'</a>.
+the section on the <a href="#dis-pos-flo">relationships between <css>display</css>, <css>position</css>, and <css>float</css></a>.
 </p>
 
-<p>Note that although the <a href="#initial-value">initial
-value</a> of 'display' is
-''inline'', rules in the user agent's <a href="#default-style-sheet">default style sheet</a> may <a href="#assigning">override</a> this value. See the <a href="#html-stylesheet">sample style sheet</a> for HTML 4 in the
-appendix.
+<p>Note that although the <a href="#initial-value">initial value</a> of 'display' is ''inline'', 
+rules in the user agent's <a href="#default-style-sheet">default style sheet</a> may <a href="#assigning">override</a> this value. 
+See the <a href="#html-stylesheet">sample style sheet</a> for HTML 4 in the appendix.
 </p>
 <div class="example">
 <p>Here are some examples of the 'display' property:
@@ -7312,7 +7311,7 @@ from elements earlier in the source document.
 <dd>No constraint on the box's position with respect to floats.</dd>
 </dl>
 
-<p>Values other than ''clear/none'' potentially introduce <dfn><dfn id="clearance">clearance</dfn>.</dfn>
+<p>Values other than ''clear/none'' potentially introduce <dfn id="clearance">clearance</dfn>.
 Clearance inhibits margin collapsing
 and acts as spacing above the margin-top of an element. It is used to
 push the element vertically past the float.
@@ -9070,7 +9069,7 @@ Applies to: all elements but non-replaced inline elements, table columns, and co
 Inherited: no
 Percentages: see prose
 Media: visual
-Computed Value: the percentage or ''auto'' (see prose under <percentage>) or the absolute length
+Computed Value: the percentage or ''auto'' (see prose under <<percentage>>) or the absolute length
 </xmp>
 
 
@@ -9618,7 +9617,7 @@ Applies to: *
 Inherited: yes
 Percentages: refer to the font size of the element itself
 Media: visual
-Computed Value: for <length> and <percentage> the absolute value; otherwise as specified
+Computed Value: for <<length>> and <<percentage>> the absolute value; otherwise as specified
 </xmp>
 
 
@@ -9700,7 +9699,7 @@ Applies to: inline-level and ''table-cell'' elements
 Inherited: no
 Percentages: refer to the 'line-height' of the element itself
 Media: visual
-Computed Value: for <percentage> and <length> the absolute length, otherwise as specified
+Computed Value: for <<percentage>> and <<length>> the absolute length, otherwise as specified
 </xmp>
 
 
@@ -12116,7 +12115,7 @@ Applies to: *
 Inherited: no
 Percentages: refer to the size of the box itself
 Media: visual
-Computed Value: for <length> the absolute value, otherwise a percentage
+Computed Value: for <<length>> the absolute value, otherwise a percentage
 </xmp>