/* LOADER */

.loader {
    width: 50px;
    height: 50px;
    border: 10px solid #f3f3f3;
    border-top: 10px solid #3498db;
    border-radius: 50%;
    animation: spin 2s linear infinite;
    margin-left: auto;
    transition: all .5s ease;
    -moz-transition: all .5s ease;
    -webkit-transition: all .5s ease;
    -o-transition: all .5s ease;
    margin: auto;
    margin-top: 40px;
  }
  
  @keyframes spin {
    0% {
        transform: rotate(0deg);
    }
    100% {
        transform: rotate(360deg);
    }
  }
  
  /* end LOADER */