Device / UA specific values
Screen size
640
x
1136
Default
device-width
without
<meta viewport>
980
User-Agent fixed zoom
2x
device-width
x
device-height
320
x
568
User zoom range
0.25
-
5
Content
Fixed width content
px
Liquid content
Elastic content
meta name='viewport'
content
width:
device-width
OR
numeric value:
initial-scale: