Page Builder cross block in Helix

Option 1

.top-block	{
	position: relative;
	z-index: 9!important;
}
.bottom-block		{
	margin-top:-100px!important;
}

Option 2

.block-top		{
	margin-bottom: -300px!important;
}
.block-bottom		{
	position: inherit!important;
	z-index: 9999;
}