/*
* override the default CSS as an example
*/
/*barra*/
#loading-bar-spinner {
  background: black;
  border-radius: 10%;
  width: 16em;
  height: 16em;
  z-index: 1000;
  position: absolute;
  top: 40%;
  left: 40%;
  opacity: 0.85;
  -moz-opacity: 0.85;
  filter: alpha(opacity=85);
}
#loading-bar-spinner .spinner-icon {
  width: 4em;
  height: 4em;
  border-radius: 50%;
  border-top: 5px dotted #337ab7;
  border-left: 5px dotted #337ab7;
  z-index: 1000;
  position: absolute;
  top: 6em;
  left: 6em;
}
#loading-bar .peg {
  -moz-box-shadow: #fff 1px 0 6px 1px;
  -ms-box-shadow: #fff 1px 0 6px 1px;
  -webkit-box-shadow: #fff 1px 0 6px 1px;
  box-shadow: #fff 1px 0 6px 1px;
}