.custom-cover:hover .wp-block-cover__background.has-background-dim-0.has-background-dim {
    background: #00000069;
    opacity: 0.5 !important;
}

.cover-hover{
	opacity:0;
	transition: 0.3s ease-in-out;
}

.custom-cover:hover .cover-hover{
	opacity:1 !important;
}