html {
    position: relative;
    width: 100%;
    height: 100%;
    background: url(../images/logo.png) center center no-repeat;
    background-size: 500px;
}

.text-block {
    /* Use centre of page from top and bottom.
    position: absolute;
    top: 56%;
    left: 50%;
    transform: translate(-50%, -50%); */
    position: absolute;
    bottom: 20px;
    right: 20px;
    background-color: #e91e63;
    color: white;
    padding-left: 20px;
    padding-right: 20px;
}