style: on-this-page tweaks #268

Job	Run time
Floating Dependencies	2m 42s
Tests	1m 30s
Linting	37s
ember-beta - Allowed to fail	3m 40s
ember-try: ember-lts-3.20	3m 10s
ember-try: ember-lts-3.24	3m 5s
ember-canary - Allowed to fail	3m 26s
ember-release-no-deprecations - Allowed to fail	3m 26s
ember-try: ember-lts-3.28	3m 1s
ember-try: ember-release	3m 3s
ember-try: ember-default-with-jquery	2m 50s
ember-try: ember-classic	2m 51s
ember-try: embroider-safe	3m 25s
ember-try: embroider-optimized	3m 2s
ember-try: no-deprecations	2m 56s
	42m 44s

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