How to keep my html design using ngDialog

Question

I am using ngdialog to get modal popup. I can't able to find anything which will keep my modal design(modal.html). My modal is somehow get twisted by default desigen. My code is:

ngDialog.open({
            template: 'adm03/sendMessagePopUp.html',
            controller: ['$scope', function($scope) {
                // controller logic
            }]
            });

My dialog comes like this Twisted Image

but it comes like

should come like this