@media screen and (max-width:991px meaning code example
Example: @media screen and (max-width
@media screen and (min-width: 769px) {
/* STYLES HERE */
}
@media screen and (min-device-width: 481px) and (max-device-width: 768px) {
/* STYLES HERE */
}
@media only screen and (max-device-width: 480px) {
/* STYLES HERE */
}