CSS Variables (Custom Properties)

Permits the declaration and usage of cascading variables in stylesheets.

Spec	https://drafts.csswg.org/css-variables/
Status	W3C Candidate Recommendation

IE	Edge	Firefox	Chrome	Safari	Opera
		57	62
		56	61	TP	48
	16 ⁽²⁾	55	60	11	47
11	15 ⁽²⁾	54	59	10.1	46
10	14	53	58	10	45
9	13	52	57	9.1	44
8	12	51	56	9	43
Show all
7		50	55	8	42
6		49	54	7.1	41
5.5		48	53	7	40
		47	52	6.1	39
		46	51	6	38
		45	50	5.1	37
		44	49	5	36
		43	48 ⁽¹⁾	4	35 ⁽¹⁾
		42	47	3.2	34
		41	46	3.1	33
		40	45		32
		39	44		31
		38	43		30
		37	42		29
		36	41		28
		35	40		27
		34	39		26
		33	38		25
		32	37		24
		31	36		23
		30	35		22
		29	34		21
		28	33		20
		27	32		19
		26	31		18
		25	30		17
		24	29		16
		23	28		15
		22	27		12.1
		21	26		12
		20	25		11.6
		19	24		11.5
		18	23		11.1
		17	22		11
		16	21		10.6
		15	20		10.5
		14	19		10.0-10.1
		13	18		9.5-9.6
		12	17		9
		11	16
		10	15
		9	14
		8	13
		7	12
		6	11
		5	10
		4	9
		3.6	8
		3.5	7
		3	6
		2	5
			4

Notes

Enabled through the "Experimental Web Platform features" flag in chrome://flags
Partial support is due to bugs present (see known issues)

Data by caniuse.com
Licensed under the Creative Commons Attribution License v4.0.
http://caniuse.com/#feat=css-variables