CSS writing-mode property

Property to define whether lines of text are laid out horizontally or vertically and the direction in which blocks progress.

Spec	https://drafts.csswg.org/css-writing-modes-3/#block-flow
Status	W3C Candidate Recommendation

IE	Edge	Firefox	Chrome	Safari	Opera
			103
		100	102
		99	101	TP
11 (1)	99	98	100	15.4	83
10 (1)	98	97	99	15.2-15.3	82
9 (1)	97	96	98	15.1	81
8 (1)	96	95	97	15	80
Show all
7 (1)	95	94	96	14.1	79
6 (1)	94	93	95	14	78
5.5 (1)	93	92	94	13.1	77
	92	91	93	13	76
	91	90	92	12.1	75
	90	89	91	12	74
	89	88	90	11.1	73
	88	87	89	11	72
	87	86	88	10.1 (*)	71
	86	85	87	10 (*)	70
	85	84	86	9.1 (*)	69
	84	83	85	9 (*)	68
	83	82	84	8 (*)	67
	81	81	83	7.1 (*)	66
	80	80	81	7 (*)	65
	79	79	80	6.1 (*)	64
	18	78	79	6 (*)	63
	17	77	78	5.1 (*)	62
	16	76	77	5	60
	15	75	76	4	58
	14	74	75	3.2	57
	13	73	74	3.1	56
	12	72	73		55
		71	72		54
		70	71		53
		69	70		52
		68	69		51
		67	68		50
		66	67		49
		65	66		48
		64	65		47
		63	64		46
		62	63		45
		61	62		44
		60	61		43
		59	60		42
		58	59		41
		57	58		40
		56	57		39
		55	56		38
		54	55		37
		53	54		36
		52	53		35
		51	52		34 (*)
		50	51		33 (*)
		49	50		32 (*)
		48	49		31 (*)
		47	48		30 (*)
		46	47 (*)		29 (*)
		45	46 (*)		28 (*)
		44	45 (*)		27 (*)
		43	44 (*)		26 (*)
		42	43 (*)		25 (*)
		41	42 (*)		24 (*)
		40 (2)	41 (*)		23 (*)
		39 (2)	40 (*)		22 (*)
		38 (2)	39 (*)		21 (*)
		37 (2)	38 (*)		20 (*)
		36 (2)	37 (*)		19 (*)
		35	36 (*)		18 (*)
		34	35 (*)		17 (*)
		33	34 (*)		16 (*)
		32	33 (*)		15 (*)
		31	32 (*)		12.1
		30	31 (*)		12
		29	30 (*)		11.6
		28	29 (*)		11.5
		27	28 (*)		11.1
		26	27 (*)		11
		25	26 (*)		10.6
		24	25 (*)		10.5
		23	24 (*)		10.0-10.1
		22	23 (*)		9.5-9.6
		21	22 (*)		9
		20	21 (*)
		19	20 (*)
		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
15.4	all	99	10 (*)	64	100	98	11 (*)	12.12	16.0	10.4	7.12	2.5
15.2-15.3		4.4.3-4.4.4 (*)	7 (*)	12.1			10 (*)		15.0
15.0-15.1		4.4 (*)		12					14.0
14.5-14.8		4.2-4.3 (*)		11.5					13.0
Show all
14.0-14.4		4.1 (*)		11.1					12.0
13.4-13.7		4 (*)		11					11.1-11.2
13.3		3 (*)		10					10.1
13.2		2.3							9.2
13.0-13.1		2.2							8.2
12.2-12.5		2.1							7.2-7.4
12.0-12.1									6.2-6.4
11.3-11.4									5.0-5.4
11.0-11.2									4 (*)
10.3 (*)
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. Internet Explorer supports different values from an earlier version of the spec, which originated from SVG.

2. Supported in Firefox under the layout.css.vertical-text.enabled flag

^* Partial support with prefix.

Resources

• MDN Web Docs - CSS writing-mode
• Chrome Platform Status