html,
body {

    margin: 0;
    padding: 0;
    background: #ffffff;
    font-family: Arial, Helvetica, sans-serif;

}

.seite {

    min-height: 100vh;

    display: flex;
    justify-content: center;
    align-items: center;
    flex-direction: column;

    padding: 30px;

    box-sizing: border-box;

}

.visitenkarte {

    display: block;
    width: 100%;
    max-width: 1000px;
    height: auto;

}

.karte {

   position: relative;
    display: inline-block;
    width: min(95vw, 1000px);
    line-height: 0;

}


/* ---------- Testflächen ---------- */

.telefon {

    position: absolute;

    left: 40%;
    top: 64%;

    width: 60%;
    height: 9%;

    background: transparent;

    cursor: pointer;

}

.mobil {

    position: absolute;

    left: 40%;
    top: 82%;

    width: 60%;
    height: 9%;

    background: transparent;

    cursor: pointer;

}

.email {

    position: absolute;

    left: 40%;
    top: 92%;

    width: 60%;
    height: 13%;

    background: transparent;

    cursor: pointer;

}

.footer {

    margin-top: 30px;
    font-size: 17px;

}

.footer a {

    color: inherit;
    text-decoration: none;

}

.footer a:hover {

    text-decoration: underline;

}

.textseite {

    width: min(900px, 95vw);

    line-height: 1.6;

    text-align: left;

}

.textseite h1 {

    margin-top: 0;

}

.textseite a {

    color: inherit;

}