.product-thumb,.thumbnails {
    position: relative;
    overflow: hidden;
}
.ribbon-free {
   background: none repeat scroll 0 0 #0F0F0F;
    color: #FFFFFF;
    font-size:24px;
    line-height:24px;
    padding: 15px 55px 15px 55px;
    text-align: center;
    text-transform: uppercase;
    position:absolute;
    top: 85px;
    right:-85px;
    transform:rotate(45deg);
    -webkit-transform:rotate(45deg);
    -moz-transform:rotate(45deg);
}