body{

background-color: #0d1417;

}

.btn-cierre,.btn-cierre2,.btn-cierre3{

    position: relative;
}
.btn-cierre::after,
.btn-cierre2::after,
.btn-cierre3::after{
    content: attr(data-date);
    position: absolute;
    background-color: #ff2600b3;
    top: 0;
    right: -50px;
    color: white;
    width: 200px;
    transform: rotate(17deg) ;
    text-align: center;
    padding: 3px;
    font-weight: bold;
    
}