create responsive design

@media only screen
and (min-width: 320px) {
  .container {
    width: 45px;
    height: 45px;
  }
}
@media only screen
and (min-width: 480px) {
  .container {
    width: 55px;
    height: 55px;
  }
}
@media only screen
and (min-width: 768px) {
  .container {
    width: 75px;
    height: 75px;
  }
}
@media only screen
and (min-width: 1024px) {
  .container {
    width: 90px;
    height: 90px;
  }
}
@media only screen
and (min-width: 1280px) {
  .container {
    width: 100px;
    height: 100px;
  }
}