Match Sphinx toggle button and Sphinx Design hover and focus styles #516

Job	Run time
a11y-tests (ubuntu-latest, 3.12)	3m 32s
build PST docs (ubuntu-latest, 3.12)	1m 14s
run-pytest (ubuntu-latest, 3.9)	1m 39s
build PST docs (macos-latest, 3.12)	3m 9s
run-pytest (ubuntu-latest, 3.10)	1m 24s
build PST docs (windows-latest, 3.12)	4m 11s
run-pytest (ubuntu-latest, 3.11)	1m 33s
build PST docs (ubuntu-latest, 3.9, 6.1)	1m 18s
run-pytest (ubuntu-latest, 3.12)	2m 51s
run-pytest (ubuntu-24.04, 3.11)	1m 57s
run-pytest (ubuntu-24.04, 3.12)	4m 14s
run-pytest (macos-14, 3.10)	3m 10s
run-pytest (macos-14, 3.11)	2m 41s
run-pytest (macos-14, 3.12)	2m 20s
run-pytest (windows-latest, 3.9)	2m 13s
run-pytest (windows-latest, 3.10)	3m 22s
run-pytest (windows-latest, 3.11)	3m 32s
run-pytest (windows-latest, 3.12)	3m 3s
run-pytest (ubuntu-latest, 3.9, 6.1)	1m 43s
run-pytest (ubuntu-latest, 3.12, dev)	2m 6s
lighthouse-audit	4m 25s
profiling	54s
Check coverage	1m 37s
	58m 8s

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