Is there any way to make something like the X on that link with pure css?
Edit: Updated css to match with what you have..
DEMO
HTML
CSS
.close-btn {
border: 2px solid #c2c2c2;
position: relative;
padding: 1px 5px;
top: -20px;
background-color: #605F61;
left: 198px;
border-radius: 20px;
}
.close-btn a {
font-size: 15px;
font-weight: bold;
color: white;
text-decoration: none;
}