[UI] UI Minor Bug Fix

[asumandang]

• [] Unappealing dots (student/questmap)
• [] Highlight currently navigated page (all)
• [] Too large fonts for quest summary table (student/summary)
• [] Time column of course-section table takes too much height (student/general/course)
• [] Summary; put 'no quests created' yet (teacher/questmap/summary)
• [] Quest badge; change radio button for quest badges to something more UI friendly (teacher/createquest)
• [] Add quest prerequisite; removable extra when adding new prerequisite (teacher/createquest)
• [] No message for graph; 'no students yet' (teacher/grades/graph)
• [] Dropdown empty quest (teacher/grades/submitted quests)
• [] Items/Badges; improper alignment if # of items = 0 (teacher/general/inventory)