Changed arrow dimensions from px to rem
Changed arrow dimensions from px to rem

baylee-d/ember-preprints,laurenrevere/ember-preprints,baylee-d/ember-preprints,CenterForOpenScience/ember-preprints,CenterForOpenScience/ember-preprints,caneruguz/ember-preprints,caneruguz/ember-preprints,laurenrevere/ember-preprints