tidy up coding guideline travis failures.

tests/behat/manage_outages.feature

@@ -16,7 +16,6 @@ Feature: Manage outages
     And I log in as "admin"
     And I wait "1" seconds
 
-
   Scenario: Check if I can navigate to management page.
     Given I am on homepage
     When I navigate to "Manage" node in "Site administration > Plugins > Authentication > Outage manager"

tests/behat/warningbar.feature

@@ -10,7 +10,7 @@ Feature: Warning bar
   - ongoing is an outage that has started, but not yet reached the stop time nor is marked as finished.
   - finished is an outage that has explicitly been marked as finished.
   - stopped is an outage that has already ended but not explicitly marked as finished.
-  
+
   Background:
     Given the authentication plugin "outage" is enabled
 

views/warningbar/warningbar.css

@@ -21,48 +21,48 @@ If you need to make changes here, remember to update your settings inside Moodle
 #auth_outage_warningbar_box.auth_outage_warning_period {
     background:
         repeating-linear-gradient(
-        -45deg,
-        #ff7c00,
-        #ff7c00 10px,
-        #ff6c00 10px,
-        #ff6c00 20px
-    );
+            -45deg,
+            #ff7c00,
+            #ff7c00 10px,
+            #ff6c00 10px,
+            #ff6c00 20px
+        );
     background-color: #ff7c00;
 }
 
 #auth_outage_warningbar_box.auth_outage_imminent_period {
     background:
         repeating-linear-gradient(
-        -45deg,
-        #a000a0,
-        #a000a0 10px,
-        #800080 10px,
-        #800080 20px
-    );
+            -45deg,
+            #a000a0,
+            #a000a0 10px,
+            #800080 10px,
+            #800080 20px
+        );
     background-color: #800080;
 }
 
 #auth_outage_warningbar_box.auth_outage_ongoing_period {
     background:
         repeating-linear-gradient(
-        -45deg,
-        #e00,
-        #e00 10px,
-        #c00 10px,
-        #c00 20px
-    );
+            -45deg,
+            #e00,
+            #e00 10px,
+            #c00 10px,
+            #c00 20px
+        );
     background-color: #e00;
 }
 
 #auth_outage_warningbar_box.auth_outage_finished_period {
     background:
         repeating-linear-gradient(
-        -45deg,
-        #0a0,
-        #0a0 10px,
-        #090 10px,
-        #090 20px
-    );
+            -45deg,
+            #0a0,
+            #0a0 10px,
+            #090 10px,
+            #090 20px
+        );
     background-color: #090;
 }