background-image

background-position: left|center|right top|center|bottom;

This background is a diamond or diamond wanna be, css code...

background-image:url(images/diamond.jpg);
background-repeat: no-repeat;
background-position: center center;
background-color: lightskyblue;
color: black; font-size:larger

Notice weasel at right top and another one at left bottom;