nav #top_menu,
#top,
footer,
.fav,
.prn-favor,
#operation
{
    display: none;
}


waterprint
{
    display:  table;
    border: 5px solid rgba(255, 0, 0, 0.15) !important;
    margin-top: 300px ;
    margin-left: -150px;
    color: rgba(255, 0, 0, 0.15) !important;
    text-align: center ;
    position: absolute ;
    font-size: 35px ;
    transform: rotate(-45deg) ;
}