@keyframes glyphicon-spin {
  0% {
    transform: rotate(0deg);
  }
  100% {
    transform: rotate(359deg);
  }
}
.glyphicon-spin {
  display: inline-block;
  animation: glyphicon-spin 1s infinite linear;
}
a .glyphicon-spin {
  display: inline-block;
  text-decoration: none;
}
html.js .btn .ajax-throbber {
  margin-left: .5em;
  margin-right: -0.25em;
}
html.js .form-item .input-group-addon .glyphicon {
  color: #777777;
  opacity: .5;
  transition: 150ms color, 150ms opacity;
}
html.js .form-item .input-group-addon .glyphicon.glyphicon-spin {
  color: #337ab7;
  opacity: 1;
}
html.js .form-item .input-group-addon .input-group-addon {
  background-color: #ffffff;
}
html.js .ajax-new-content:empty {
  display: none !important;
}