why position sticky is not working

Keyword Analysis

Keyword	CPC	PCC	Volume	Score	Length of keyword
why position sticky is not working	1.1	0.6	6932	29	34
why	0.07	0.7	1947	31	3
position	2	1	8196	93	8
sticky	1.76	0.9	7473	60	6
is	1.02	0.2	1342	22	2
not	0.28	0.8	4764	34	3
working	1.85	0.9	3855	29	7

Keyword	CPC	PCC	Volume	Score
why position sticky is not working	0.04	1	7170	64
why my position sticky is not working	1.55	0.5	9101	1
position sticky right not working	0.36	0.9	6588	34
position sticky left not working	1.96	0.4	7569	48
position sticky not sticking	0.82	0.2	9881	59
position sticky bottom not working	1.22	0.3	69	32
position sticky right 0 not working	1.73	0.5	416	75
position sticky top 10 not working	1.72	0.8	9188	9
sticky is not working	0.1	0.3	4923	94
why is the sticky-top not working	0.78	0.2	4565	85
position sticky not working on mobile	1.34	0.6	5091	47
css position sticky not working	1.54	0.9	900	4
position sticky not working with flex	0.12	0.6	6890	58