taigeair

<style>
  #videogroup {
    width: 100%;
  }

 iframe {
    width: 90%;
    padding: 5%;
  }

anantn

function pushSomething(ref) {
  // Let's push something. push() returns a reference that you can hold onto!
  var justPushed = ref.push({test: "push"});
  // We return a reference, but you can also return the name of the newly
  // created object with .name().
  return justPushed;
}

function removeItem(ref) {
  // Now we can get back to that item we just pushed via .child().

planetoftheweb

<style>
  #videogroup {
    width: 100%;
  }

 iframe {
    width: 90%;
    padding: 5%;
  }