JSFiddle - React, Tailwind, and code Playground
HTML
<div style="width: 100%;" id="container_fform" ng-controller="custController">
<div style="width: 250PX;overflow: scroll; " >
<div ng-style="myStyle"> </div>
</div>
</div>
JavaScript
var MyApp = angular.module('MyApp', []);
var custController = MyApp.controller('custController', function ($scope) {
$scope.myStyle="width:'900px';background:red";
});