[css-easing-2] fix bikeshed issues

Author: tabatkins

css-easing-2/Overview.bs

@@ -292,6 +292,10 @@ A [=linear easing function=] has the following syntax:
   or as separate arguments.
 </div>
 
+<wpt>
+linear-timing-functions-chrome-406926307-crash.html
+</wpt>
+
 
 <h4 id=linear-easing-function-serializing>
 Serializing</h4>
@@ -456,7 +460,6 @@ Examples</h4>
     </figcaption>
   </figure>
 </div>
-</div>
 
 <div class=example>
   If two input values are provided for a single output,
@@ -490,7 +493,6 @@ Examples</h4>
     </figcaption>
   </figure>
 </div>
-</div>
 
 <div class=example>
   If the input is outside the range provided,