after learning hard i have succed my goal to build my responsive website.
but i have a question about device size and resolution.
now we have phone IN FHD AND HD AND TABLET like pc
my resnposive web site work fine it respect the resolution but where phone or tablet have big resolution the web take same layout as pc
/* Disposition tablet pc : 481px : 768px.*/
@media only screen and (min-width: 481px) {
}
/* Disposition PC : 769px to max 1232px.*/
@media only screen and (min-width: 768px) {
}