Apply modal pattern to search box pop-up #206

Job	Run time
a11y-tests (ubuntu-latest, 3.12)	3m 33s
build PST docs (ubuntu-latest, 3.12)	1m 20s
run-pytest (ubuntu-latest, 3.9)	1m 27s
build PST docs (macos-latest, 3.12)	1m 50s
build PST docs (windows-latest, 3.12)	3m 9s
run-pytest (ubuntu-latest, 3.10)	1m 29s
build PST docs (ubuntu-latest, 3.9, 6.1)	1m 14s
run-pytest (ubuntu-latest, 3.11)	1m 24s
run-pytest (ubuntu-latest, 3.12)	1m 51s
run-pytest (ubuntu-24.04, 3.11)	1m 21s
run-pytest (ubuntu-24.04, 3.12)	1m 33s
run-pytest (macos-14, 3.10)	1m 48s
run-pytest (macos-14, 3.11)	1m 48s
run-pytest (macos-14, 3.12)	2m 8s
run-pytest (macos-13, 3.9)	2m 50s
run-pytest (macos-13, 3.10)	3m 19s
run-pytest (macos-13, 3.11)	3m 41s
run-pytest (macos-13, 3.12)	3m 5s
run-pytest (windows-latest, 3.9)	3m 39s
run-pytest (windows-latest, 3.10)	3m 23s
run-pytest (windows-latest, 3.11)	3m 0s
run-pytest (windows-latest, 3.12)	3m 24s
run-pytest (ubuntu-latest, 3.9, 6.1)	1m 27s
run-pytest (ubuntu-latest, 3.12, dev)	1m 56s
lighthouse-audit	4m 20s
profiling	25s
check coverage	59s
	1h 1m 23s

Provide feedback