Make Enrolled As text in Course drop-down menu larger
Make Enrolled As text in Course drop-down menu larger

Fixes CNVS-21982

Test Plan:
1. As a student enrolled in a course, view the course
   enrollments from the drop down menu and ensure that
   the 'Enrolled As:' text under the course name is large
   enough to meet A11y standards

Change-Id: I3a1bb5652bd1c042009cf8af9490b8ea737b7401
Reviewed-on: https://gerrit.instructure.com/59163
Tested-by: Jenkins
Reviewed-by: Clay Diffrient <9dff2e5c98626d20d2848250c411e8009465bb87@instructure.com>
QA-Review: Myller de Araujo <e5c7c5e1b7f2ce5e9870cc98ec52b20b3006cb48@instructure.com>
QA-Review: Charles Kimball <46fea98154686b8132aa2745574cc8021812cb41@instructure.com>
Product-Review: Nick Nelson <75ef9faee755c70589550b513ad881e5a603182c@instructure.com>

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