.keynote-speaker {
   /* margin-top: 25px;
   font-size: 21px;
   text-align: center; */

   -webkit-animation: fadein 2s;
   /* Safari, Chrome and Opera > 12.1 */
   -moz-animation: fadein 2s;
   /* Firefox < 16 */
   -ms-animation: fadein 2s;
   /* Internet Explorer */
   -o-animation: fadein 2s;
   /* Opera < 12.1 */
   animation: fadein 2s;
}

@keyframes fadein {
   from {
      opacity: 0;
   }

   to {
      opacity: 1;
   }
}

/* Firefox < 16 */
@-moz-keyframes fadein {
   from {
      opacity: 0;
   }

   to {
      opacity: 1;
   }
}

/* Safari, Chrome and Opera > 12.1 */
@-webkit-keyframes fadein {
   from {
      opacity: 0;
   }

   to {
      opacity: 1;
   }
}

/* Internet Explorer */
@-ms-keyframes fadein {
   from {
      opacity: 0;
   }

   to {
      opacity: 1;
   }
}

/* Opera < 12.1 */
@-o-keyframes fadein {
   from {
      opacity: 0;
   }

   to {
      opacity: 1;
   }
}