.dont {position: relative;}

.dont:after{
    content: 'Reproduction Prohibited';
    font-family: nunito-sans,sans-serif;
    color: #bb0000;
    font-weight: 700;
    display: block;
    transform: rotate(-45deg) translate(5%, -67%);
    position: absolute;
    top: 50%;
    font-size: 1.125em;
    text-align: center;
    text-transform: uppercase;
    text-shadow: 0px 0px 2px #fff;
}