body {
    font-family: Arial, sans-serif;
    margin: 0;
    padding: 0;
    text-align: center;
    background-color: #F5F5DC; /* Beige background color */
}

header {
    background-color: #F5F5DC; /* Ensure the header background is the same as the body */
    padding: 20px;
    border-bottom: 1px solid #ccc;
}

.container {
    display: flex;
}

.side-panel {
    width: 15%; /* 1/5th of the screen width */
    background-color: #E3D9B0; /* Slightly darker beige */
    padding: 20px;
    text-align: left;
}

.side-panel ul {
    list-style-type: none;
    padding: 0;
}

.side-panel ul li {
    margin: 20px 0;
}

.side-panel ul li a {
    text-decoration: none;
    color: #000;
    font-weight: bold;
}

.side-panel ul li a.active {
    background-color: rgb(235, 237, 190);
    color: black;
    display: block;
    box-sizing: border-box;
    padding: 10px 20px; /* Adjust padding for the desired look */
}

.maincontent {
    width: 85%; /* 85% of the remaining width */
    padding: 20px;
    box-sizing: border-box;
}

.image-container {
    text-align: center;
    width: 100%;
    margin-top: 20px; /* Space between the nav and image */
}

.image-container img {
    width: 100%;
    height: auto;
    border: 1px solid #ddd;
    border-radius: 5px;
}

.text-box {
    padding: 20px;
    background-color: #fff;
    border: 1px solid #ddd;
    border-radius: 5px;
    text-align: left;
    margin-top: 20px; /* Space between the image and the text box */
}