Use CSS with `display: block; margin: 0 auto;` on the image
Wrap the image in a parent element and apply `text-align: center;` to the parent
Use Flexbox on the parent with `display: flex; justify-content: center;`
Use Grid on the parent with `display: grid; place-items: center;`
For vertical and horizontal centering, use `display: flex; justify-content: center; align-items: center;` on the parent