.chatFooter .chatFooterWrapper:after { content:"Ваша надпись";  font-family:ariai; font-size: 13px; color:#0000ff; letter-spacing: 1px;   position: absolute;        top:78%; left:0; bottom:0; right:0px; z-index: 0;   -webkit-animation: l1_animation 45s linear infinite;     -moz-animation: l1_animation 45s linear infinite; }

@-webkit-keyframes l1_animation {
      0%{left:100%;}
      100%{left:-100%;}
  }
  @-moz-keyframes l1_animation {
      0%{left:100%;}
      100%{left:-100%;}
  }