#draft-warning {
    position: relative;
    top: 50%;
    -webkit-transform: translateY(-50%);
    -moz-transform: translateY(-50%);
    -o-transform: translateY(-50%);
    -ms-transform: translateY(-50%);
    transform: translateY(-50%);

    z-index: 1;
    float: right;
    display: block;

    margin: 0px 0px;
    padding: 1rem;
    background-color: red;
    border: 0.1rem solid black;
    color: yellow;
    font-size: 80%;
}