.chatHeader .chatTitle:after{
   width: 100%;
   white-space:nowrap;
   line-height: 15px;
   overflow:hidden;
   font-size: 10px;
   color: cornflower#ff0000;/*   цвет можно менять-Апостол   */
   -webkit-animation: step 1s steps(50) infinite;
   animation: step 15s steps(50) infinite;
}
/*   Анимация   */
@keyframes step{
   0% { width: 0;}
   100% {width:100%;}
}
@-webkit-keyframes step{
   0% { width: 0;}
   100% {width:100%;}
}.chatHeader .chatTitle:after {
  content:"Ваш текст";
  font-family:arial;
  font-size: 15px;
  text-align:justify;
  text-shadow:3px 3px 10px green,-3px -3px 10px blue;color: #ff0000;
  position: absolute;
  top:5%; left:100px; bottom:0; right:100px;
  z-index: 1;
  opacity: 1;
}