how to move an image to center of its container code example

Example 1: position images in center of container

.image-container {
    width: 500px;
    height: 500px;
    position: relative;
}

.image-container img {
    position: absolute;
    right: 0;
    left: 0;
    top: 0;
    bottom: 0;
    margin: auto auto;
}

Example 2: make image go to center of page

//Making an image go to the center of the page
//A

//B

//C
// put the image in a div with style="text-align: center;"