css den margin ile yapılır.
örnek;
.aligncenter, img.centered, img.center, img[align="center"] {display: block;margin-left: auto;margin-right: auto;}img.alignright, img.right, img[align="right"] {padding: 4px;margin: 2px 0px 0px 10px;display: inline;}img.alignleft, img.left, img[align="left"] {padding: 4px;margin: 2px 10px 0px 0px;display: inline;}.alignright, .right {float: right;}.alignleft, .left {float: left;}