Untitled

<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="utf-8">
    <meta http-equiv="X-UA-Compatible" content="IE=edge">
    <meta name="viewport" content="width=device-width, initial-scale=1">
    <!-- The above 3 meta tags *must* come first in the head; any other head content must come *after* these tags -->
    <title>Blueasy-freebie</title>

    <!-- Bootstrap -->
    <link rel="stylesheet" href="https://maxcdn.bootstrapcdn.com/bootstrap/3.3.7/css/bootstrap.min.css">
    <style>
        .link-img1{
            background: url(img/purty_wood.png)
        }
        .hover-img{
            display:none;
            opacity: 0.75;
        }

        .link-img1:hover .hover-img{
            display: block;
        }


    </style>
</head>
<body>

<a href="#" class="link-img1">
    <div class="hover-img"><img src="img/icon.png" width="270px" height="270px"></div>
</a>

</body>
</html>