To answer your burning question, yes you can color the different borders as well as change their sizes, but, please let's not get too crazy with the colors as shown here!

.border {
padding: 10px;
border-style: ridge;
border-width: 10px 40px 20px 40px;
border-color: #ff00ff #90ee90 #ffff00 #ff0000;}

In the BODY it was called up with this statement:
< p class="border" >

Lorem ipsum dolor sit amet, consectetuer adipiscing elit, sed diem nonummy nibh euismod tincidunt ut lacreet dolore magna aliguam erat volutpat. Ut wisis enim ad minim veniam,quis nostrud exerci tution ullamcorper suscipit lobortis nisl ut aliquip ex ea commodo consequat.