GPII-578: Using same styling for textFieldSteppers.
GPII-578: Made the styling of textFieldSteppers prettier.
Merge branch 'master' into GPII-578
Merge pull request #24 from chrispetsos/GPII-578

GPII-578: Harmonized the styling of textFieldSteppers used in PCP and PMT
Merge branch 'master' into GPII-592
GPII-592: Added aria values to expanding panels' elements.
Only thing missing is the setting of the "aria-expanded" for the "Visual Alternatives".
Also, the "aria-label" of "Visual Alternatives" is lost when the conditional panel is toggled.