.login h1 a {
    background-image: url(/wp-content/uploads/2018/04/Deutsche-Basalt-Faser-Logo.png);
    background-size: 200px;
    background-position: center top;
    background-repeat: no-repeat;
    color: #444;
    height: 91px;
    font-size: 20px;
    line-height: 1.3em;
    margin: 0 auto 25px;
    padding: 0;
    width: 320px;
    text-indent: -9999px;
    outline: 0;
    display: block;
}