CSS overflow: overlay

The overlay value of the overflow CSS property is a non-standard value to make scrollbars appear on top of content rather than take up space. This value is deprecated and related functionality being standardized as the scrollbar-gutter property.

Spec	https://github.com/w3c/csswg-drafts/issues/92
Status	Unofficial / Note

IE	Edge	Firefox	Chrome	Safari	Opera
			98
		95	97
		94	96	TP (1)
11	95	93	95	15 (1)	80
10	94	92	94	14.1 (1)	79
9	93	91	93	14 (1)	78
8	92	90	92	13.1 (1)	77
Show all
7	91	89	91	13 (1)	76
6	90	88	90	12.1 (1)	75
5.5	89	87	89	12 (1)	74
	88	86	88	11.1	73
	87	85	87	11	72
	86	84	86	10.1	71
	85	83	85	10	70
	84	82	84	9.1	69
	83	81	83	9	68
	81	80	81	8	67
	80	79	80	7.1	66
	79	78	79	7	65
	18	77	78	6.1	64
	17	76	77	6	63
	16	75	76	5.1	62
	15	74	75	5	60
	14	73	74	4	58
	13	72	73	3.2	57
	12	71	72	3.1	56
		70	71		55
		69	70		54
		68	69		53
		67	68		52
		66	67		51
		65	66		50
		64	65		49
		63	64		48
		62	63		47
		61	62		46
		60	61		45
		59	60		44
		58	59		43
		57	58		42
		56	57		41
		55	56		40
		54	55		39
		53	54		38
		52	53		37
		51	52		36
		50	51		35
		49	50		34
		48	49		33
		47	48		32
		46	47		31
		45	46		30
		44	45		29
		43	44		28
		42	43		27
		41	42		26
		40	41		25
		39	40		24
		38	39		23
		37	38		22
		36	37		21
		35	36		20
		34	35		19
		33	34		18
		32	33		17
		31	32		16
		30	31		15
		29	30		12.1
		28	29		12
		27	28		11.6
		26	27		11.5
		25	26		11.1
		24	25		11
		23	24		10.6
		22	23		10.5
		21	22		10.0-10.1
		20	21		9.5-9.6
		19	20		9
		18	19
		17	18
		16	17
		15	16
		14	15
		13	14
		12	13
		11	12
		10	11
		9	10
		8	9
		7	8
		6	7
		5	6
		4	5
		3.6	4
		3.5
		3
		2

Safari on iOS	Opera Mini	Android Browser	Blackberry Browser	Opera Mobile	Android Chrome	Android Firefox	IE Mobile	Android UC Browser	Samsung Internet	QQ Browser	Baidu Browser	KaiOS Browser
15 (1)	all	94	10	64	94	92	11	12.12	15.0	10.4	7.12	2.5
14.5-14.8 (1)		4.4.3-4.4.4	7	12.1			10		14.0
14.0-14.4 (1)		4.4		12					13.0
13.4-13.7 (1)		4.2-4.3		11.5					12.0
Show all
13.3 (1)		4.1		11.1					11.1-11.2
13.2 (1)		4		11					10.1
13.0-13.1 (1)		3		10					9.2
12.2-12.5 (1)		2.3							8.2
12.0-12.1 (1)		2.2							7.2-7.4
11.3-11.4		2.1							6.2-6.4
11.0-11.2									5.0-5.4
10.3									4
10.0-10.2
9.3
9.0-9.2
8.1-8.4
8
7.0-7.1
6.0-6.1
5.0-5.1
4.2-4.3
4.0-4.1
3.2

Notes

1. The overlay value is recognized, but behaves the same as "auto".

Resources

• MDN article on overflow values
• WebKit change to make "overflow: overlay" a synonym for "overflow: auto"