.title:hover::after {
    background-color: dimgray;
    content: attr(data-title);
    border-radius: 3px;
    padding: 5px;
    color: white;
}

.href_no{
    color: #000000;
    text-decoration: none;
}

.sl_w{
    width: 100px;
}

.radius_10{
    border-radius: 10px;
}

.width-d1
{
    width: 250px;
}