Custom modal brake ion-backdrop to close

Ionic Framework ionic-v3
1

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

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

ion-modal{
	background: rgba(0,0,0,0.7);
}