@media screen and (min-width: 1300px) and (max-width: 1680px) {
#main{
  height: 3340px;
  background-size: 1680px auto;
}

}

@media screen and (min-width: 1024px) and (max-width: 1300px) {
#main{
  height: 2585px;
  background-size: 1300px auto;
}

}

@media screen and (min-width: 768px) and (max-width: 1024px) {
#main{
  height: 2030px;
  background-size: 1024px auto;
}

}