<img src="https://s3-us-west-2.amazonaws.com/s.cdpn.io/t-1/apr15-sphere.jpg" alt="">

body { padding: 50px; text-align: center; }

img {
  width: 100px;
  
  /* #1 */
  border: 5px solid hsl(0, 0%, 40%);
  
  /* #2 */
  padding: 5px;
  background: hsl(0, 0%, 20%);
  
  /* #3 */
  outline: 5px solid hsl(0, 0%, 60%);
  
  /* #4 AND INFINITY!!! (CSS3 only) */
  box-shadow:
      0 0 0 10px hsl(0, 0%, 80%),
      0 0 0 15px hsl(0, 0%, 90%);
  
      
  /* If you could do pseudo elements 
     you could get a few more... */
  
  /* Also, HSL is awesome but don't use it if
     you need super old browser support */
}