fix: Restore visibility of course list icons (keep at 60px)

Removed overly broad selector that was shrinking ALL course
responsibility icons to 1.2em. Now only targets truly inline
icons within .course-desc text, not the main 60px list icons.

static/css/03-components/_courses.css

@@ -88,8 +88,7 @@
     text-align: justify;
 }
 
-/* Inline icons within course responsibilities and descriptions */
-.course-item .responsibilities li iconify-icon,
+/* Inline icons within course descriptions only (not the main list icons) */
 .course-desc iconify-icon {
     width: 1.2em !important; /* Override inline width attributes */
     height: 1.2em !important; /* Override inline height attributes */