Ended up doing some fancy stuff:
.block-hover-effect {
position: relative;
overflow: hidden;
}
.block-hover-effect::after {
content: "";
position: absolute;
inset: 0;
background: rgba(0, 0, 0, 0); /* start transparent */
transition: background 0.3s ease;
z-index: 1;
pointer-events: none;
}
.block-hover-effect:hover::after {
background: rgba(0, 0, 0, 0.1); /* adjust for desired darkness */
}
Also there is this thread: How to activating all hover effect in one block when mouse arrow hover one the block area?
This would be a nice addition for Bricks to add, however, as its a common need!