body {
    background-color: #333;
    font-family: "Segoe UI", Arial, sans-serif;
    text-align: left;
    margin-left: 5px;
    display: flex;
    min-height: 100vh;
    margin: 0 auto;
    flex-direction: column;
}

main {
    min-height: 5em;
    flex: 1;
}

footer {
    font-family: "Segoe UI", Arial, sans-serif;
    text-align: center;
}
.impressum {
    color: pink;
    text-decoration: underline;
    font-size: 13px;
}

.sector {
    color: white;
    display: block;
    padding: 14px 16px;
    text-align: center;
    text-decoration: none;
    font-size: 17px;
    position: relative;
    align-items: center;
    margin:0 auto;
    max-width: 70%;    
}

.sector img {
    border-color: white;
    border-style: none;
    border-width: thin;
    height: auto;
}

.overlay-text {
    position: absolute;
    bottom: 40px;
    right: 30px;
    left: 30px;
    text-align: left;
    text-decoration: none;
    font-size: 17px;
    color: white;
    background-color: rgba(67, 63, 63, 0.5); /* Optional background */
    padding: 10px; /* Optional padding */
}

.overlay-text-rotate-left {
    position: absolute;
    bottom: 40px;
    right: 30px;
    left: 40px;
    text-align: left;
    text-decoration: none;
    font-size: 17px;
    color: white;
    background-color: rgba(67, 63, 63, 0.5); /* Optional background */
    padding: 10px; /* Optional padding */
}

.overlay-text-rotate-right {
    position: absolute;
    bottom: 40px;
    right: 40px;
    left: 30px;
    text-align: left;
    text-decoration: none;
    font-size: 17px;
    color: white;
    background-color: rgba(67, 63, 63, 0.5); /* Optional background */
    padding: 10px; /* Optional padding */
}


.responsive {
    width: 100%;
    height: auto;
}

.topnav {
    overflow: hidden;
    background-color: black;
    border-style: none;
    border-color: white;
    border-width: thin;
    font-size: small;
}

.topnav a {
    float: left;
    display: block;
    color: #97e3ed;
    text-align: center;
    padding: 14px 16px;
    text-decoration: none;
    font-size: 17px;
}

.topnav a:hover {
    background-color: #ddd;
    color: black;
}

.topnav a.active {
    background-color: #56e8f5cc;
    color: white;
}

.topnav .icon {
    display: none;
}

@media screen and (max-width: 900px) {
    .topnav a:not(:first-child) {
        display: none;
    }
    .topnav a.icon {
        float: right;
        display: block;
    }
}

@media screen and (max-width: 900px) {
    .topnav.responsive {
        position: relative;
    }
    .topnav.responsive .icon {
        position: absolute;
        right: 0;
        top: 0;
    }
    .topnav.responsive a {
        float: none;
        display: block;
        text-align: left;
    }
}
iframe {
    overflow: hidden;
}