change activation complete green and add styles for faq

lms/static/sass/base/_extends.scss

@@ -85,7 +85,7 @@
 }
 
 .success-message-colors {
-  background: rgb(99, 236, 137);
-  border: 1px solid rgb(17, 202, 54);
-  color: rgb(35, 143, 14);
+  background: rgb(19, 159, 58);
+  border: 1px solid rgb(6, 65, 18);
+  color: rgb(255, 255, 255);
 }

lms/static/sass/multicourse/_course_about.scss

@@ -273,6 +273,24 @@
           }
         }
       }
+      
+      .faq {
+        @include clearfix;
+        }
+
+        .responses {
+          float: left;
+          }
+
+          .response {
+            margin-bottom: 40px;
+
+            h3 {
+              font-family: $sans-serif;
+              font-weight: 700;
+              margin-bottom: 15px;
+            }
+          }
     }
   }