Improved activity navigation design.

CHANGES.md

@@ -6,6 +6,7 @@ Changes
 
 ### Unreleased
 
+* 2018-02-08 - Improved activity navigation design.
 * 2018-02-08 - Synchronized columns2.mustache with core changes.
 * 2018-02-08 - Necessary changes because of renaming core/login.mustache to core/loginform.mustache.
 * 2018-02-08 - Prepare compatibility for Moodle 3.4, no functionality change.

scss/post.scss

@@ -466,6 +466,14 @@ body.loginbackgroundimage {
 #intro:empty {
     display: none;
 }
+/* Adjust the activity navigation buttons to suit to the topics navigation buttons. */
+#next-activity-link,
+#prev-activity-link {
+    background-color: $brand-primary;
+    padding: 4px 8px;
+    border-radius: 2px;
+    color: #fff;
+}
 
 /* If showsettingsincourse is enabled */
 @if variable-exists(showsettingsincourse) {