cartodb-4.42/app/assets/stylesheets/public/public_map_fullscreen.css.scss

// Fullscreen styles for table/map public views!

:-webkit-full-screen {
  width: 100%;
  height: 100%;

  #map {
    height: 100% !important;
  }
}

:-moz-full-screen {
  width: 100%;
  height: 100%;

  #map {
    height: 100% !important;
  }
}

:-moz-full-screen {
  .cartodb-public-header {
    display: none;
  }

  .separator {
    display: none;
  }
}

:-webkit-full-screen {
  .cartodb-public-header {
    display: none;
  }

  .separator {
    display: none;
  }
}

:-ms-fullscreen {
  .cartodb-public-header {
    display: none;
  }

  .separator {
    display: none;
  }

  #map {
    height: 100% !important;
  }
}

:fullscreen {
  .cartodb-public-header {
    display: none;
  }

  .separator {
    display: none;
  }
}