@media screen and (max-width: 320px){
  .navbar-inverse .navbar-brand{
    font-size: 35px;
  }
  .navbar-inverse .navbar-sub-brand{
    font-size: 14px;
  }
}

@media screen and (min-width: 320px) and (max-width: 480px) {
  .main{
    height: 700px;
  }
  .recent-title{
    font-size:2.5em;
  }
  .heading span{
    font-size: 0.6em;
    top:-20px;
  }
  .heading{
    font-size: 8em;
  }
}
@media screen and (min-width: 768px) and (max-width: 1024px) {
  .recent-title{
    font-size:3.5em;
  }
}

@media screen and (max-width: 320px){
  .navbar-inverse .navbar-brand{
    font-size: 35px;
  }
  .navbar-inverse .navbar-sub-brand{
    font-size: 14px;
  }
}

@media screen and (min-width: 320px) and (max-width: 480px) {
  .main{
    height: 700px;
  }
  .recent-title{
    font-size:2.5em;
  }
  .heading span{
    font-size: 0.6em;
    top:-20px;
  }
  .heading{
    font-size: 8em;
  }
}
Change iPad tagline text size
Change iPad tagline text size
