p.aviso1 {
  animation-duration: 20s;
  animation-name: slidein;
  animation-iteration-count: infinite;
}

div.aviso {
	margin:0 auto;
	width:100%;
	overflow:hidden;
	background:orange;
	height:150px;
	/*height:300px;*/
	clear: both;
}
@keyframes slidein {
  from {
    margin-left: 100%;
    width: 100%
  }

  to {
    margin-left: 3%;
    width: 100%;
  }
 /* 50% {
  font-size: 150%;
  margin-left: 30%;
  width: 150%;
}*/
}