Mobile Viewport Attributes

Attribute	Possible values	Description
width	Integer value (in pixels) or constant device-width	Defines the viewport width
Height	Integer value (in pixels) or constant device-height	Defines the viewport height
initial-scale	Floating value (0.1 to n); 1.0 is no scale	Defines the initial zoom scale of the viewport
user-scalable	no or yes	Defines whether we will allow the user to zoom in and out in the viewport
minimum-scale	Floating value (0.1 to n). 1.0 is no scale	Defines the minimum zoom scale of the viewport
maximum-scale	Floating value (0.1 to n). 1.0 is no scale	Defines the maximum zoom scale of the viewport