.login h1 a {
    background-image: url("/wp-content/plugins/ortox-network-sites/images/140x40_01.png") !important;
    background-size: 140px 40px;
    background-position: center top;
    background-repeat: no-repeat;
    width: 140px;
    height: 40px;
    text-indent: -9999px;
    outline: 0px none;
    overflow: hidden;
    padding: 0 0 15px 15px;
    display: block;
}