.responsive-div {
width: 80%;
margin: 0 auto; 
}
@media (max-width: 1280px) and (min-width: 768px) {
.responsive-div {
width: 80%; 
}
}
@media (max-width: 767px) and (min-width: 600px) {
.responsive-div {
width: 90%;
}
}
@media (max-width: 599px) {
.responsive-div {
width: 95%;
}
}