cdss put objecr on center page code example

Example 1: position absolute center

position: absolute;
margin-left: auto;
margin-right: auto;
left: 0;
right: 0;
text-align: center;

Example 2: how to middle fixed element

position: fixed;
	top: 0;
	z-index: 100;
	left: 50%;
	transform: translateX(-50%);