.spinner {
  position: relative;
  top: 1px;
  display: inline-block;
  font-family: 'Glyphicons Halflings';
  font-style: normal;
  font-weight: normal;
  line-height: 1;

  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

.spinner-icon {
  width: 15px;
  height: 15px;
  box-sizing: border-box;

  border: solid 2px transparent;
  border-top-color: #29d;
  border-left-color: #29d;
  border-radius: 50%;

  animation: spin 400ms linear infinite;
}
@keyframes spin {
  0%   { transform: rotate(0deg); }
  100% { transform: rotate(360deg); }
}

.spinner-white {
  border-top-color: #fff;
  border-left-color: #fff;
}