body {
    font-family: Arial, sans-serif;
    margin: 0;
    padding: 0;
    background-color: #f4f4f4;
}

.flex-container {
    display: flex;
    min-height: 100vh;
}

.menu {
    background-color: #fff;
    width: 250px; /* Initial width of the menu */
    flex-shrink: 0; /* Prevent the menu from shrinking */
    transition: width 0.3s ease-in-out;
    box-shadow: 3px 0 5px rgba(0,0,0,0.2);
}

.collapsed {
    width: 50px; /* Width when collapsed */
}

#menuToggle {
    background-color: #007bff;
    color: white;
    padding: 10px 15px;
    border: none;
    cursor: pointer;
}

.content {
    flex-grow: 1; /* Allow the content to take up the remaining space */
    padding: 20px;
    background-color: #e9ecef;
}

#menu ul {
    list-style-type: none;
    padding: 0;
    margin: 0;
}

#menu ul li a {
    display: block;
    padding: 10px 15px;
    text-decoration: none;
    color: #333;
    border-bottom: 1px solid #ddd;
}

#menu ul li a:hover {
    background-color: #f8f8f8;
}