.loader {
    	margin: 0 auto;
      width: 940px;
      border: 16px solid #f3f3f3;
      border-radius: 50%;
      border-top: 16px solid #3498db;
      width: 120px;
      height: 120px;
      -webkit-animation: spin 2s linear infinite; /* Safari */
      animation: spin 2s linear infinite;
    	position: fixed;
     top: 25%;
     left: 50%;
     transform: translate(-50%, -50%);
     transform: -webkit-translate(-50%, -50%);
     transform: -moz-translate(-50%, -50%);
     transform: -ms-translate(-50%, -50%);
     z-index: 10;
    }

    /* Safari */
    @-webkit-keyframes spin {
      0% { -webkit-transform: rotate(0deg); }
      100% { -webkit-transform: rotate(360deg); }
    }

    @keyframes spin {
      0% { transform: rotate(0deg); }
      100% { transform: rotate(360deg); }
    }