.navbar-left {
  float: left;
  margin-left: 15px;
}

.spinner {
  display: inline-block;
  opacity: 0;
  width: 0;
  -webkit-transition: opacity 0.25s, width 0.25s;
  -moz-transition: opacity 0.25s, width 0.25s;
  -o-transition: opacity 0.25s, width 0.25s;
  transition: opacity 0.25s, width 0.25s;
}

.has-spinner.active {
  cursor: progress;
}

.has-spinner.active .spinner {
  opacity: 1;
  width: auto;
}

.has-spinner.btn.active .spinner {
  min-width: 20px;
}