Fixed links and added them to other pages

activation_active.html

@@ -6,4 +6,5 @@
   <!-- <p>Now go <a href="/">log in</a> and try the course!</a></p> -->
   <p> This account has already been activated. We will notify you as
   soon as the course starts.</p>
+  <p>For now you can go to the <a href="https://mitx.mit.edu/">MITx homepage</a> or the <a href="/">6.002x course page</a>.</p>
 </section>

activation_complete.html

@@ -5,5 +5,5 @@
   <h1>Activation Complete!</h1>
   <!-- <p>Now go <a href="/">log in</a> and try the course!</a></p> -->
   <p>Thanks for activating your email. We will notify you as soon as the course starts.</p>
-  <p>For now you can got to the <a href="/">MITx homepage</a> or the <a href="https://6002x.mitx.mit.edu/">6.002x course page</a>.</p>
+  <p>For now you can go to the <a href="https://mitx.mit.edu/">MITx homepage</a> or the <a href="/">6.002x course page</a>.</p>
 </section>

activation_invalid.html

@@ -6,4 +6,6 @@
   correct -- e-mail programs will sometimes split it into two
   lines. If you still have issues, e-mail us to let us know what happened
   at <a href="mailto:bugs@mitx.mit.edu">bugs@mitx.mit.edu</a>.</p>
+
+  <p>Or you can go back to the <a href="/">6.002x course page</a>.</p>
 </section>

sass/_index.scss

@@ -53,13 +53,6 @@ header.announcement {
   &.home {
     background: #e3e3e3 url("/static/images/marketing/shot-5-medium.jpg");
 
-    @media screen and (min-width: 1200px) {
-      background: #e3e3e3 url("/static/images/marketing/shot-5-large.jpg");
-    }
-
-    // @media screen and (max-width: 1199px) {
-    // }
-
     div {
       padding: lh(10) lh() lh(3);