html {
	font-size: 14px;
  }
  @media (min-width: 768px) {
	html {
	  font-size: 16px;
	}
  }
  
  .container {
	max-width: 960px;
  }
  
  .pricing-header {
	max-width: 700px;
  }
  
  .card-deck .card {
	min-width: 220px;
  }
  
  .border-top { border-top: 1px solid #e5e5e5; }
  .border-bottom { border-bottom: 1px solid #e5e5e5; }
  
  .box-shadow { box-shadow: 0 .25rem .75rem rgba(0, 0, 0, .05); }

  .spinner {
    margin-top: 15px;
    display: none;
    width: 50px;
    height: 50px;
    text-align: center;
    border: 3px solid rgba(255,255,255,.3);
    border-radius: 50%;
    border-top-color: rgb(151, 142, 142);
    animation: spin 1s ease-in-out infinite;
    -webkit-animation: spin 1s ease-in-out infinite;
  }
  
  @keyframes spin {
    to { -webkit-transform: rotate(360deg); }
  }
  @-webkit-keyframes spin {
    to { -webkit-transform: rotate(360deg); }
  }