Media queries for responsive layout CSS

responsive.css

@media only screen and (min-width:1280px) {}

@media (min-width:1024px) and (max-width:1279px) {}

@media (min-width:768px) and (max-width:1023px) {}

@media (min-width:480px) and (max-width:767px) {}

@media screen and (max-width:479px) {}

@media only screen and (max-width:320px) {}

@media only screen and (max-width:767px) {}