align sign in button on centered pages

app/styles/app/landing.sass

@@ -1,7 +1,5 @@
 .top.landing-page .topbar,
-.wrapper.centered .topbar,
-.wrapper.centered #top .cta p,
-.top.landing-page .cta p
+.wrapper.centered .topbar
   margin: 0 auto
   max-width: 1024px
 
@@ -21,9 +19,6 @@
     border: 2px solid #73c78d
     color: #fff
 
-.wrapper.centered .topbar
-  max-width: 1024px
-
 .wrapper.centered #top,
 .wrapper.centered .topbar,
 .wrapper.non-centered .topbar

app/styles/app/layouts/top.sass

@@ -10,7 +10,7 @@ $top-height: 55px
   font-size: 16px
   color: #71AE76
   text-align: right
-  padding-right: 20px
+  padding-right: 1rem
   background-color: #fff
 
   p
@@ -30,6 +30,9 @@ $top-height: 55px
     width: 20px
     height: 12px
 
+.centered .cta
+  padding-right: 0
+
 .logo
   position: relative
   margin: 0 1.5rem 0 1.3rem
@@ -115,6 +118,8 @@ $top-height: 55px
       > li
         display: inline-block
         margin-right: 1rem
+      .centered & > li.signed-out
+        margin-right: 0
       a
         height: $top-height
         line-height: $top-height + 2px

app/templates/top.hbs

@@ -74,7 +74,7 @@
 
 {{#if showCta}}
   <div class="cta">
-    <p>
+    <p class="row">
       <span class="arrow"></span>
       Help make Open Source a better place and start building better software today!
     </p>