.dash {
    position: fixed;
    bottom: 10px;
    right: 10px;
    margin: 0;
    padding: 20px;
    box-shadow: 4px 4px 0 rgba(0, 0, 0, 0.1);
    background:#999;
}
.kapat {
    position:absolute;
    right:10px;
    top:10px;
    color:#000;
    background:#f2f2f2;
    padding:5px;
    text-decoration:none;
    border: 1px solid #333;
}

<div class="dash">
<img src="https://www.r10.net/logom7b.png" width="100%">
<a href="#" class="kapat" onclick="$('.dash').remove();return false;">X</a>
</div>