body {
    font-family: Arial, sans-serif;
    margin: 0;
    padding: 0;
    display: flex;
    flex-direction: column;
    min-height: 100vh;
}

.header {
    background-color: #333;
    overflow: hidden;
    position: fixed;
    top: 0;
    width: 100%;
    z-index: 1000;
}

.header a {
    float: left;
    display: block;
    color: white;
    text-align: center;
    padding: 14px 20px;
    text-decoration: none;
}

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

.header-right {
    float: right;
}

.footer {
    background-color: #333;
    color: white;
    text-align: center;
    height: 50px;
    margin-top: auto;
    width: 100%;
}

.left-sidebar, .right-sidebar {
    width: 200px;
    background-color: #f4f4f4;
    padding: 15px;
    flex-shrink: 0;
}

.right-sidebar {
    background-color: #eaeaea;
}

.container {
    display: flex;
    flex-direction: column;
    flex: 1;
    padding-top: 0px; /* Adjust as per header height */
}

.main-content {
    display: flex;
    flex: 1;
    margin-bottom: 50px; /* Adjust to ensure footer space */
}

.content {
    flex: 1;
    padding: 20px;
}

.main-content > .left-sidebar,
.main-content > .right-sidebar {
    margin-top: 0;
    padding-top: 0;
}