Angular Material Chips

<html lang="en" >
   <head>
      <link rel="stylesheet" href="http://ajax.googleapis.com/ajax/libs/angular_material/1.0.0/angular-material.min.css">
      <script src="http://ajax.googleapis.com/ajax/libs/angularjs/1.4.8/angular.min.js"></script>
      <script src="http://ajax.googleapis.com/ajax/libs/angularjs/1.4.8/angular-animate.min.js"></script>
      <script src="http://ajax.googleapis.com/ajax/libs/angularjs/1.4.8/angular-aria.min.js"></script>
      <script src="http://ajax.googleapis.com/ajax/libs/angularjs/1.4.8/angular-messages.min.js"></script>
      <script src="http://ajax.googleapis.com/ajax/libs/angular_material/1.0.0/angular-material.min.js"></script>
	  <link rel="stylesheet" href="https://fonts.googleapis.com/icon?family=Material+Icons">
	 
      <script language="javascript">
         angular
            .module('myApp', ['ngMaterial'])
            .controller('myController', chipCtr);

            function chipCtr ($scope) {
            var self = this;
            self.readonly = false;
            //fruits list Variable object
            self.fruitNames = ['Apple', 'Banana', 'Mango'];
            self.tags = [];
            self.newVeg = function(chip) {
               return {
                  name: chip,
                  type:          'unknown'
               };
            };
         }          
      </script>      
   </head>
   <body ng-app="myApp"> 
   <div ng-controller="myController as ctrl" layout="column" ng-cloak>
    <md-content>
    <section layout="row" layout-sm="column" layout-align="center center" layout-wrap>
   <h2 class="md-title">Chip Placeholder Example.</h2>
    <form name="fruitForm">
      <md-chips
        ng-model="ctrl.tags"
        readonly="ctrl.readonly"
        md-removable="ctrl.removable"
        placeholder="Add a name"
        delete-button-label="Remove Name"
        delete-hint="Press delete to remove name"
        secondary-placeholder="+Name">
</md-chips>
     </form>
    </section>
    </md-content>
   </div>
   </body>
  <style>
         .closeButton {
            position: relative;
            height: 24px;
            width: 24px;
            line-height: 30px;
            text-align: center;
            background: rgba(0, 0, 0, 0.3);
            border-radius: 50%;
            border: none;
            box-shadow: none;
            padding: 0;
            margin: 3px;
            transition: background 0.15s linear;
            display: block; 
         }
	  </style>
</html>