Basic ng-show on div not working

I am just trying to get the ng-show tag working and to test it, I have a hard coded example and even this doesn't work (it is visible when the page loads). Code below.

@{
    ViewBag.Title = "Secure Environment Flex";
}
<div class="row">
    <div class="col-md-12">
        <h3>Secure Environment</h3>
    </div>
</div>
<div ng-controller="SEFlexHomeController" ng-show="false">
    <div >
        <div >
            <ul>
                <li><a href="#tabs-Jobs">Jobs</a></li>
                <li><a href="#tabs-Models">Models</a></li>
                <li><a href="#tabs-Administration">Administration</a></li>
            </ul>
            <div id="tabs-Jobs" >
                <h1>Welcome to this jobs tab</h1>
            </div>
            <div id="tabs-Models">
                <h1>Welcome to this models tab</h1>
            </div>
            <div id="tabs-Administration" >
                <h1>Welcome to this administration tab</h1>
            </div>
        </div>
    </div>
</div>

This is driving me mad, why is it still visible? Could something else in CSS be overriding it and if so how can I tell?