sign up element in learn more section was misaligned

frontend/templates/learn_more.html

@@ -29,12 +29,15 @@
 	                        <div class="movingrightalong"></div>
 	                        <div class="quicktour"><span class="highlight">Unglue.it offers a win-win solution: Crowdfunding.</span> We run pledge campaigns for books; you chip in. When, together, we've reached the goal, we'll reward the book's creators and issue an unglued ebook.</div>
 	                        <div class="movingrightalong"></div>
-                        	<div class="quicktour last"><a href="https://creativecommons.org/">Creative Commons</a> licensing means everyone, everywhere can read and share the unglued book - freely and legally. <span class="highlight">You've given your favorite book to the world.</span></div>
+                        	<div class="quicktour last"><a href="https://creativecommons.org/">Creative Commons</a> licensing means everyone, everywhere can read and share the unglued book - freely and legally. <span class="highlight">You've given your favorite book to the world.</span>
 							{% if suppress_search_box %}
                         		<div class="signup" id="highlighter">Sign up below. <img src="/static/images/landingpage/signmeup-arrow.png" alt="sign up below"></div>
                         	{% else %}
+                        		{% if not user.is_authenticated %}
                         		<div class="spacer"><div class="signuptoday"><a href="{% url registration_register %}">Sign up today</a></div></div>
+                        		{% endif %}
                         	{% endif %}
+                        	</div>
                     </div>
             </div>
         </div>

static/css/documentation.css

@@ -273,7 +273,7 @@
   line-height: 36px;
   float: left;
   clear: both;
-  margin: 10px 0;
+  margin: 10px auto;
   cursor: pointer;
   font-style: normal;
 }

static/css/landingpage.css

@@ -273,7 +273,7 @@
   line-height: 36px;
   float: left;
   clear: both;
-  margin: 10px 0;
+  margin: 10px auto;
   cursor: pointer;
   font-style: normal;
 }

static/css/learnmore.css

@@ -145,7 +145,7 @@
   line-height: 36px;
   float: left;
   clear: both;
-  margin: 10px 0;
+  margin: 10px auto;
   cursor: pointer;
   font-style: normal;
 }

static/less/learnmore.less

@@ -72,7 +72,7 @@
     .height(36px);
     float: left;
     clear: both;
-    margin: 10px 0;
+    margin: 10px auto;
     cursor: pointer;
     font-style: normal;
 }