CSS media queries template

gistfile1.css

/* portrait phone (< 480px) */
@media screen and (max-width:29.9999em) {
}
 
/* landscape phone and portrait tablet (>= 480px < 960px) */
@media screen and (min-width:30em) and (max-width:59.9999em) {
}
 
/* landscape tablet and normal monitor (>= 960px < 1440px) */
@media screen and (min-width:60em) and (max-width:89.9999em) {
}
 
/* bigger monitor (>= 1440px) */
@media screen and (min-width:90em) {
}
 
/* big monitor (>= 1920px) */
@media screen and (min-width:120em) {
}