how to set the center in absolute positon div code example

Example 1: position absolute center

.child {
    position: absolute;
    top: 50%;  
    left: 50%; 
    transform: translate(-50%, -50%);
}

Example 2: absolute center position

// center horizontal 

.product-item-div {
	position: relative;
}

.sold_out {
	position: absolute;
	padding: 6px;
	top: 180px;
	left: 50%;
	transform: translate(-50%, -50%);
	background-color: @wishlist-grey;
	color: white;
	border-radius: 5px;
}




// center vertical 

.product-item-div {
	position: relative;
}

.sold_out {
	position: absolute;
	padding: 6px;
	top: 50%;	/* fix here */
	left: 50%;
	transform: translate(-50%, -50%);
	background-color: @wishlist-grey;
	color: white;
	border-radius: 5px;
}