<html>
<style>
.lnkbtn{
display: block;
width: 100px;
background-color: lightgrey;
border: 1px solid black;
text-align: center;
text-decoration: none;
padding: 5px 0px 5px 0px;
}
.lnkbtn:hover{
background-color: #aaa;
}
.lnkbtn:visited{
color: blue;
}
.lnkbtn:active{
border: 1px solid red;
}
</style>
<body>
<a href = "http://www.cnn.com" class = "lnkbtn">Click me!</a>
</body>
</html>