body { 
    background-color: ivory;
    margin: 0 auto;
    max-width: 44em;
    min-height: 100vh;
    display: flex;
    flex-flow: row wrap;
    justify-content: center;
    align-content: flex-start;
    box-shadow: 0 0 20px gray;
}

#content {
    background-color: linen;
    width: 100%;
    min-height: 100vh;
}

header {
    display: flex;
    flex: 100%;
    justify-content: center;
}

#logo {
    width: 160px;
    height: 160px;
    margin-top: 20px;
    margin-bottom: 20px;
    /* filter: drop-shadow(5px 5px 5px gray;) */
}

nav { 
    display: flex;
    flex-flow: row wrap;
    flex: 100%;
}

nav ul.navigation {
    padding: 0;
    margin: 0;
    list-style: none;
    display: flex;
    flex-flow: row wrap;
    flex: 100%;
    font-family: Verdana, Geneva, Tahoma, sans-serif;
    font-weight: bold;
    justify-content: center;
}

nav ul li.navigation {
    flex: 0 1 9.8em;
}

nav a.navigation {
    background-color: darkslategray;
    border: none;
    border-radius: 50%;
    margin: 10px;
    padding: 20px; 
    text-align: center;
    opacity: 0.6;
    text-decoration: none;
    color: white;
    display: block;
    box-shadow: 0px 3px 5px grey;
}

nav a.navigation-active {
    background-color: darkslategray;
    border: none;
    border-radius: 50%;
    margin: 10px;
    padding: 20px; 
    text-align: center;
    opacity: 1;
    text-decoration: none;
    color: white;
    display: block;
    box-shadow: 0px 3px 5px grey;
}

a.navigation:hover {
    opacity: 1;
    transition: 0.5s;
}

main, article, section {
    flex: 100%;
    padding: 0 15px;
    font-family: 'Roboto', sans-serif;
    font-size: 18;
}

footer {
    flex: 100%;
    text-align: center;
    padding-top: 20px;
}

#footer {
    text-decoration: none;
}

#footer:hover {
    text-decoration: underline;
}

img#thumbs { 
    border: 3px solid Linen; 
    border-radius: 4px; 
}
img#thumbs:hover {
    border: 3px solid DodgerBlue;
    border-radius: 4px;
    transition: all 0.5s;
}

section#galerie {
    display: flex;
    flex-flow: row wrap;
    flex: 100%;
    justify-content: center;
}

section#galerie-text {
    margin-top: 20px;
    text-align: center;
    font-size: 16;
    font-weight: bold;
}

.termine-aktuell {
    padding: 20px;
    background-color: lightgrey;
    border: 1px solid gray;
    border-radius: 10px;
    box-shadow: 2px 2px 5px gray;
} 

.termine-aktuell div.datum {
    font-weight: bold;
    margin-bottom: 1em;
}

.termine-aktuell div.ausstellung {
    padding-left: 20px;
}

.termine-vergangen div.datum {
    margin: 0;
    padding: 10px 20px;
    font-weight: bold;
    border: 1px solid gray;
    border-radius: 10px;
    background-color: lightgray;
    box-shadow: 2px 2px 5px gray;
    transition: all 0.3s;
}

.termine-vergangen div.datum::after {
    content: '\02795';
    font-size: 10px;
    color: black;
    float: right;
    margin-left: 5px;
}

.termine-vergangen div.datum:hover {
    cursor: pointer;
    background-color: lightslategray;
    transition: background-color 0.3s;
}

.termine-vergangen div.datum-aktiv {
    margin: 0;
    border-left: 1px solid gray;
    border-top: 1px solid gray;
    border-right: 1px solid gray;
    border-bottom: none;
    border-radius: 10px 10px 0 0;
    background-color: lightslategray;
    box-shadow: 2px 0px 5px gray;
    transition: background-color 0.3s;
}

.termine-vergangen div.datum-aktiv::after {
    content: "\2796";
}

.termine-vergangen div.ausstellung {
    display: none;
    margin: 0;
    padding: 10px 10px 10px 40px;
    border-left: 1px solid gray;
    border-right: 1px solid gray;
    border-bottom: 1px solid gray;
    border-bottom-left-radius: 10px;
    border-bottom-right-radius: 10px;
    box-shadow: 2px 2px 5px gray;
}

img#gisela1 {
    float: left; 
    margin-right: 20px; 
    margin-bottom: 20px;
    box-shadow: 2px 2px 5px black;
}

#vita {
    text-align: justify;
    padding: 20px;
    background-color: lightgrey;
    border: 1px solid gray;
    border-radius: 10px;
    box-shadow: 2px 2px 5px gray;
}

#contact {
    text-align: justify;
}

.kontakt {
    padding: 0 20px;
    background-color: lightgrey;
    border: 1px solid gray;
    border-radius: 10px;
    box-shadow: 2px 2px 5px gray;
}

#links-content {
    text-decoration: none;
}

#links-content:hover {
    text-decoration: underline;
}