#stacks_in_1 {
	padding: 30px 0px 0px 0px;
}
#stacks_in_2 .overlay {
    position: absolute;
    width:  100% ;
    height: 100%;
    left: 0;
    top: 0;
    pointer-events: none;
    
}

#stacks_in_2 video.video {
    display: block;
}#stacks_in_4 .overlay {
    position: absolute;
    width:  100% ;
    height: 100%;
    left: 0;
    top: 0;
    pointer-events: none;
    
}

#stacks_in_4 video.video {
    display: block;
}