how to center align an image in a div code example

Example 1: centre align image in div

body {
  margin: 0;
}

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

Example 2: image center in div

img {
  display: block;
  margin-left: auto;
  margin-right: auto;
  width: 40%;
}

Example 3: 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;"