align center for image html code example

Example 1: html center image

/* It's better practice to do this in CSS, not HTML. 
So here is the CSS code! */
img {
  display: block;
  margin-left: auto;
  margin-right: auto;
}

Example 2: image align center

.center {
  display: block;
  margin-left: auto;
  margin-right: auto;
  width: 50%;
}