[css-ruby] Fix more markup errors

Author: fantasai

css-ruby/Overview.html

@@ -220,7 +220,7 @@ <h2 class="no-num no-toc" id=contents> Table of Contents</h2>
       </ul>
 
      <li><a href="#box-style"><span class=secno>2.7. </span> Styling Ruby
-      Boxes </a>
+      Boxes</a>
 
      <li><a href="#line-breaks"><span class=secno>2.8. </span> Ruby box and
       line breaking</a>
@@ -1427,7 +1427,7 @@ <h3 id=collapsed-ruby><span class=secno>3.2. </span> Collapsed Ruby
   </dl>
 
   <h3 id=ruby-align-property><span class=secno>3.3. </span><a
-   name=rubyalign></a> Ruby Text Distribution: the ‘<a
+   id=rubyalign></a> Ruby Text Distribution: the ‘<a
    href="#ruby-align"><code class=property>ruby-align</code></a>’ property</h3>
 
   <table class=propdef>

css-ruby/Overview.src.html

@@ -540,7 +540,7 @@ <h4 id="inter-character-layout">
 	all the bases that it spans.
 
 <h3 id="box-style">
-Styling Ruby Boxes</h4>
+Styling Ruby Boxes</h3>
 
 	<p>In most respects, ruby boxes can be styled similar to inline boxes.
 	However, the UA is not required to support
@@ -977,7 +977,7 @@ <h3 id="collapsed-ruby">
 		</dd>
 	</dl>
 
-<h3 id="ruby-align-property"><a name="rubyalign"></a>
+<h3 id="ruby-align-property"><a id="rubyalign"></a>
 Ruby Text Distribution: the 'ruby-align' property</h3>
 
 	<table class="propdef">