Untitled

<!DOCTYPE html>
<html>
<head>
  <meta charset="utf-8">
  <meta name="viewport" content="width=device-width">
  <title></title>
<style id="jsbin-css">
h1{
  cursor:pointer;
  border-bottom:2px solid red;
  display:inline-block;
  position:absolute;
  left:50%;
  transform:translate(-50%);
}
div{
  width:400px;
  display:block;
  margin:200px auto;
 text-align:center;
}
span{
  border-radius:10px;
  display:inline-block;
  transform:translate(-5px,-80px);
  opacity:0;
  background-color:red;
  color:white;
  font-size:30px;
  padding:10px 40px;
}
h1:hover + span{
  opacity:1;
  transition:all 0.3s linear;
}
</style>
</head>
<body>
<div>
  <h1>TOOLTIP</h1>
  <span>Basic Tooltip</span>
  </div>


<script id="jsbin-source-css" type="text/css">h1{
  cursor:pointer;
  border-bottom:2px solid red;
  display:inline-block;
  position:absolute;
  left:50%;
  transform:translate(-50%);
}
div{
  width:400px;
  display:block;
  margin:200px auto;
 text-align:center;
}
span{
  border-radius:10px;
  display:inline-block;
  transform:translate(-5px,-80px);
  opacity:0;
  background-color:red;
  color:white;
  font-size:30px;
  padding:10px 40px;
}
h1:hover + span{
  opacity:1;
  transition:all 0.3s linear;
}</script>
</body>
</html>