body {
    font-family: 'Arial', sans-serif;
    background-color: #eeeeee;
}

details {
    background-color: #ffffff;
    border: 1px solid #cccccc;
    padding: 5px;
    border-radius: 5px;
    margin-bottom: 3px;
}

details summary {
    cursor: pointer;
    padding: 5px;
}

details summary:hover {
    /*background-color: #f8f8f8;*/
}

details[open] {

}

header {
    border: 1px solid #ccc;
    border-radius: 5px;
    background-color: #ffffff; /* Background color for the header */
    color: #000000; /* Text color for the header */
    padding: 5px; /* Adjust padding as needed */
}

.head {
    margin-bottom: 2px;
    margin-right: 10px; /* Add some spacing between the logo and navigation */
    margin-left: 10px;
    display: flex; /* Use flexbox for easier layout */
    align-items: center; /* Vertically align children */
}

.container {
    flex: 1;
    text-align: left; /* Optional: To center-align the boxes */
}

.box {
    margin-left: 10px;
    margin-right: 10px;
    display: inline-block;
    vertical-align: top;
}

.logo img {
    flex: 1;
    width: 20vw;
    max-height: 100%;
    max-width: 100px;
    margin-right: 10px;
    border: 2px solid #b6b6b6;
    border-radius: 5px;
}

.headline {
    padding: 5px;
    margin-bottom: 7px;
    margin-top: 0;
}


.headMenu {
    margin: auto;
    border-radius: 5px;
    border: 1px solid #cccccc;
    background-color: #ffffff;
    padding: 10px;
}

.container-head {
    width: 100%; /* Set the width to 100% to fill the entire available space */
    margin-left: -10px;
    top: 0;
    background-color: #eeeeee;
    position: sticky;
    position: -webkit-sticky;
    padding: 10px;
}

.container-head::after {
    content: "";
    display: block;
    border-bottom: 1px solid darkgray;
    position: absolute;
    bottom: 5px;
    left: 10px;
    right: 10px;
}