body {
    color: #254274;
    min-height: 75rem;
    font-family: 'Source Sans Pro', sans-serif;
    font-size: 16px;

    display: flex;
    flex-direction: column;
    justify-content: flex-start;
}

.main-header {
    background-color: #ffffff;
}

.main-header img.brand-top {
    /* height statt max-height: reserviert die Box sofort, bevor das Bild
       geladen ist - max-height allein liess die Hoehe bis zum Laden auf 0
       kollabieren und die Nav-Leiste hat ins Logo hineingerendert. */
    height: 60px;
    width: auto;
    margin: 20px auto;
}

body > .main {
    flex-grow: 1;
    background-color: #e1e1e0;
}

.navbar-dark .navbar-text a {
    color: #575756;
}

body,
.bg-dark {
    background: #9cce1d !important; /* bootstrap ... same style? .bg-dark*/
}

body form.form-signin {
    display: flex;
    flex-direction: column;
    justify-content: center;
}

.icons-highlight {
    color: #9cce1d;
}

.headline-underline {
    display: block;
    border-bottom: none;
    position: relative;
}

.headline-underline:after {
    content: "";
    background: #9cce1d;
    display: block;
    height: 4px;
    width: 500px;
    position: absolute;
    bottom: 0;
}

.footer a, .topnavi a {
    color: #575756;
}