MDL-50323 themes: Course unordered lists correctly styled.

Thank you to Ann Adamcik for providing this patch.

theme/base/style/core.css

@@ -1307,6 +1307,10 @@ sup {vertical-align: super;}
 
 .course-content ul.weeks .content .summary ul,
 .course-content ul.topics .content .summary ul {list-style: disc outside none;}
+.course-content ul.weeks .content .summary ul ul,
+.course-content ul.topics .content .summary ul ul {list-style: circle outside none;}
+.course-content ul.weeks .content .summary ul ul ul,
+.course-content ul.topics .content .summary ul ul ul {list-style: square outside none;}
 
 .course-content ul.weeks .content .summary ol,
 .course-content ul.topics .content .summary ol {list-style: decimal outside none;}

theme/base/style/course.css

@@ -66,6 +66,16 @@
     right: auto;
 }
 
+.course-content  li.section li.activity ul {
+    list-style: disc;
+}
+.course-content  li.section li.activity ul ul {
+    list-style: circle;
+}
+.course-content  li.section li.activity ul ul ul {
+    list-style: square;
+}
+
 .sitetopic .section .activity .activityinstance div,
 .course-content .section .activity .activityinstance div { display: inline;}
 .course-content .section .activity .activityinstance form { display: inline;}

theme/bootstrapbase/less/moodle/course.less

@@ -344,6 +344,33 @@
     margin-left: 25px;
 }
 
+.course-content li {
+    &.section {
+        ul {
+            list-style: disc;
+            ul {
+                list-style: circle;
+                ul {
+                    list-style: square;
+                }
+            }
+        }
+        li {
+            &.activity {
+                ul {
+                    list-style: disc;
+                    ul {
+                        list-style: circle;
+                        ul {
+                            list-style: square;
+                        }
+                    }
+                }
+            }
+        }
+    }
+}
+
 .path-course-view .completionprogress {
     margin-left: 25px
 }