/* Responsive Full Background Image Using CSS
 * Tutorial URL: http://sixrevisions.com/css/responsive-background-image/
*/
body {
  /* Location of the image */
  background-image: url(images/background-photo.jpg);
  color:#fff;
  
  /* Image is centered vertically and horizontally at all times */
  background-position: center center;
  
  /* Image doesn't repeat */
  background-repeat: no-repeat;
  
  /* Makes the image fixed in the viewport so that it doesn't move when 
     the content height is greater than the image height */
  background-attachment: fixed;
  
  /* This is what makes the background image rescale based on its container's size */
  background-size: cover;
  
  /* Pick a solid background color that will be displayed while the background image is loading */
  background-color:#111;
  
  /* SHORTHAND CSS NOTATION
   * background: url(background-photo.jpg) center center cover no-repeat fixed;
   */
}

.col-xs-12 img {height:100px;}