- Media queries have many features, but
min-width
is the most practical one, the one you should assume to use most of the time. - Only use
em
within media query definitions, never pixels. - Until there's wider
rem
support within media query,rem
should be avoided in media query definitions as well. - Assuming mobile is
320px
and the body font size is16px
, then the breakpoint indicating mobile width in profile orientation would be20em
(320/16). - Choose breakpoint values to serve the content, not to serve device deminsions.
- Never use media queries to define styles for the smallest viewport size.
- Use media queries to “enhance” or add or alter styles when the browser has a wider (or taller) vi