Custom modal brake ion-backdrop to close

Hi guys, i have customized a modal to make a controller, but now, the enableBackdropDismiss dont work, is like i not reaching to backdrop.

	position: absolute;
	top: 80px;
	left: 45px;
	display: block;
	width: 75%;
	height: 60%;
	border-radius: 6px;
	box-shadow: 0px 2px 2px #333;

	background: rgba(0,0,0,0.7);