#go_demo {
	position:relative;
	display:inline;
	text-align: center;
	font-size: 1.0em;
	text-decoration: none;
	color: #1B1B1B;
	background: #ffffff;
	border:1px solid #1B1B1B;
	-webkit-appearance: none;
  animation: blinkAnime 1s infinite alternate;
}
@keyframes blinkAnime{
   0%{ color : black;   background:white }
 100%{ color : white; background:green   }
}
#para1, #para2 {
	position: relative:
	display: block;
	text-align: center;
	padding-left: 5px;
	padding-right: 5px;
	text-align: center;
	font-size: 1em;
	text-decoration: noe;
	-webkit-appearance: none;
	border-radius: 0;
  animation: blinkAnimepa  1s infinite alternate;
 
 }
@keyframes blinkAnimepa{
   0%{ color : red;   background:white }
 100%{ color : white; background:pink  }
 }