@media screen and (max-width: 780px) {
.vernagir{
    font-size: 40px;
}
}
@media screen and (max-width: 420px) {
.slider{
    height: 55vh;
}
.vernagir{
    font-size: 25px;
}
.slider .btn{
    width: 35px;
    height: 35px;
    font-size: 20px;
}
.dots input{
    width: 35px;
    height: 7px;
    margin-right: 5px;
}
}