<div class="lobby">
  <h3 class="subheading">Distributed scrum <span>planning poker</span> for estimating agile projects.</h3>
  <p>First person to <strong>create</strong> the room is the moderator. <strong>Share</strong> the url or room number with other team members to <strong>join</strong> the room.</p>

  <label class="subheading" for="roomfield">Enter room number</label>
  <div class="row">
    <input ng-model="room" ui-enter="enterRoom(room)" name="roomfield" id="roomfield" type="tel" maxlength="5" placeholder="room no" class="span2 roomUrl" />
    <button ng-click="enterRoom(room)" class="span2 btn" title="Join an existing planning poker room" ng-disabled="{{disableButtons}}">Join room</button>
  </div>
  <label for="createRoom">or</label>
  <div class="row">
    <button ng-click="createRoom()" id="createRoom" class="span1 btn" title="Create a new planning poker room" ng-disabled="{{disableButtons}}">Create new room</button>
  </div>


</div>

<div class="lobby">
  <h3 class="subheading">Distributed scrum <span>planning poker</span> for estimating agile projects.</h3>
  <p>First person to <strong>create</strong> the room is the moderator. <strong>Share</strong> the url or room number with other team members to <strong>join</strong> the room.</p>

  <form>
    <label class="subheading" for="roomfield">Enter room number</label>
    <div class="row">
      <input ng-model="room" ui-enter="enterRoom(room)" name="roomfield" id="roomfield" type="tel" maxlength="5" placeholder="room no" class="span2 roomUrl" autofocus/>
      <button ng-click="enterRoom(room)" class="span2 btn" title="Join an existing planning poker room" ng-disabled="{{disableButtons}}" type="submit">Join room</button>
    </div>
    <label for="createRoom">or</label>
    <div class="row">
      <button ng-click="createRoom()" id="createRoom" class="span1 btn" title="Create a new planning poker room" ng-disabled="{{disableButtons}}" type="button">Create new room</button>
    </div>
  </form>

</div>

Facilitate joining room keyboard only
Facilitate joining room keyboard only

Make the 'roomfield' have focus when the site is opened (so one can immediately type a number) and make 'Join room' be triggered when pressing enter.

The entire flow of joining a room can now be:
 * open url
 * type number
 * press enter