how to center absolute things code example
Example 1: centre align in position absolute
position: absolute;
top: 50%;
left: 50%;
transform: translate(-50%, -50%);
Example 2: center absolute element css
#content {
position: absolute;
left: 0;
right: 0;
margin-left: auto;
margin-right: auto;
width: 100px; /* Need a specific value to work */
}