keep classes and ids for the rules page css

this will have no effect on the rules agreement popup

templates/rules.html

@@ -1,3 +1,4 @@
+<div class="ban" id="global">
     <h2>GLOBAL RULES</h2>
     <ol start="0">
         <li>Do not post in or view any boards if you are under 18 years of age.</li>
@@ -13,7 +14,9 @@
         <li>Do not upload malicious archives.</li>
         <li>Read the rules again. <code>/* infinite iteration will fix later */</code></li>
     </ol>
+</div>
 
+<div class="ban" id="tips">
     <h2>PRO TIPS FOR MAXIMUM FUN:</h2>
     <ul>
         <li>The mods are not on powertrips, they are friendly and are trying to ensure the quality of lainchan, not belittle your ideas.</li>
@@ -27,7 +30,9 @@
         <li> Dice rolling: posting in the email field with the form "dice XdY+/-Z" will result in X Y-sided dice rolled and summed, with the modifier Z added, the result is displayed at the top of the post body.</li>
         <li> Be smart when posting about potentially illegal activities.</li>
     </ul>
+</div>
 
+<div class="ban" id="boards">
     <h2>Boards</h2>
     <ul>
         <li>/cyb/ is the general cyberpunk board for the discussion of the philosophy and anything else you can think of as being "cyberpunk".</li>
@@ -60,3 +65,4 @@
         <li>Keep discussion rational. It's why we're here.</li>
         <li>When in doubt about the topic of a board, lurk it for a while and check the catalog to get an idea of it.</li>
     </ul>
+</div>