JSFiddle - React, Tailwind, and code Playground

HTML

<script src="http://code.angularjs.org/angular-1.0.0rc6.min.js"></script>
<!doctype html>
<html ng-app="Model">
<head>
    <script src="http://code.angularjs.org/angular-1.0.0rc6.min.js"></script>
    <script src="http://documentcloud.github.com/underscore/underscore-min.js"></script>
</head>
<body>
<div class="bgDisplay" ng-controller="AlbumCtrl">
    <div ng-style="{backgroundColor: 'red'}"> {{master.getCombined()}}</div>
 
</div>
<div ng-controller="EditCtrl">
    <form class="form-horizontal">
        <fieldset>
        <div class="control-group">
            <label class="control-label">Width : </label>
             <input type="text" class="controls" ng-model="master.width">
        </div>
        </fieldset>                
        <fieldset>
        <div class="control-group">
            <label class="control-label">Height : </label>
             <input type="text" class="controls" ng-model="master.height">
        </div>
        </fieldset>
    </form>
</div>
    <div ng-controller="AnoCtrl">
        <button ng-click="toggle()" class="btn btn-primary">Hide</button>
    </div>
</body>
</html>

CSS

.bgDisplay{
   position:relative;
    display: block;
    width: auto; 
    height: 300px; 
    background-color: #CCC; 
}

JavaScript

angular.module('Model', [])
    .factory('SizeModel', function () {
        return {
            width: 200,
            height: 100,
            display:"block",
            getCombined: function() {
                return parseInt(this.width) + parseInt(this.height);
            }
        };
    });

function AlbumCtrl($scope,SizeModel) {
    $scope.master = SizeModel;
    $scope.$watch("master",function(){
    $scope.myprop = { display: $scope.master.display,
                      backgroundColor: "#333",
                      width: $scope.master.width+'px',
                      height: $scope.master.height+'px',
                      color: "#FFF"
                     };
        });
    
}
        
function AnoCtrl($scope,SizeModel) {
    $scope.master = SizeModel;
   
    $scope.toggle = function(){
        $scope.master.display = "none";
    }
}

function EditCtrl($scope,SizeModel) {
    $scope.master = SizeModel;
}