body {
  padding-top: 60px;
}
.starter-template {
  padding: 40px 15px;
  text-align: center;
}

.row{
	padding-bottom: 20px;
}

@keyframes spinner {
  to {transform: rotate(360deg);}
}
 
.spinner:before {
  content: '';
  box-sizing: border-box;
  position: absolute;
  top: 75%;
  left: 50%;
  width: 40px;
  height: 40px;
  margin-top: -10px;
  margin-left: -10px;
  border-radius: 50%;
  border: 4px solid #ccc;
  border-top-color: #333;
  animation: spinner .6s linear infinite;
}