images horizontal center in div code example

Example 1: how to center an image element inside a block in css

img { display:block;
      margin-left: auto;
      margin-right:auto;
      }

Example 2: make image go to center of page

//Making an image go to the center of the page
//A
<img src="wuteva.jpg" class="center">
//B
<parentElement style="text-align: center;">
//C
// put the image in a div with style="text-align: center;"