/***Background image for thank you page***/
.page-thankyou {
display: block;
background: url(https://global.cdn.survey.medallia.com/1d557bc4d2c7f196804387213dfac9ba9cf416c4)
100% center no-repeat;
    -webkit-background-size: cover;
    -moz-background-size: cover;
    -o-background-size: cover;
    background-size: contain;
    background-attachment: fixed;
    background-position: center;
    background-color: black;
    top: 0;
    width: 100%;
    bottom: 0;
    position: fixed;
    right: 0;
    left: 0;
}
.page-thankyou header{
display:none;
}