<a href="" ng-click="modalshow = !modalshow; modal.open();">Open Modal</a>
  <div ng-show="modalshow" id="modal">
    <h3 id="tofs" >Terms of Service</h3>
    <p>Lorem Ipsum Lorem Ipsum Lorem Ipsum Lorem Ipsum </p>
    <span>Cancel</span>
    <span>Accept/span>
  </div>
  <h2>Seprate Content</h2>

angular.module('app')
    .controller('Controller', modalCtrl);

  function modalCtrl() {
     $scope.modal = {
       open: function() {
         angular.element('#tofs').focus();

       }
     }
  }