body {
    font-family: Arial, sans-serif;
    background-color: #202020;
    text-align: center;
    color: white;
}

.login-container {
    width: 320px;
    margin: 0 auto;
    background-color: #fff;
    padding: 20px;
    border-radius: 5px;
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
    margin-top: 100px;
}

h2 {
    margin: 0 0 20px;
    color: #333;
}

input {
    width: 80%;
    padding: 10px;
    margin-bottom: 10px;
    border: 1px solid #ccc;
    border-radius: 5px;
}

button {
    width: 98%;
    padding: 10px;
    background-color: #007bff;
    color: #fff;
    border: none;
    border-radius: 5px;
    cursor: pointer;
}

button:hover {
    background-color: #0056b3;
}

.sidebar {
    height: 100%;
    width: 0;
    position: fixed;
    z-index: 1;
    top: 0;
    left: 0;
    background-color: #111;
    overflow-x: hidden;
    transition: 0.5s;
    padding-top: 50px;
}

.sidebar a {
    padding: 8px 8px;
    text-decoration: none;
    font-size: 18px;
    color: #818181;
    display: block;
    transition: 0.3s;
}

.sidebar a:hover {
    color: #f1f1f1;
}

.content {
    margin-left: 0;
    transition: margin-left 0.5s;
    padding: 16px;
}

.open-btn {
    font-size: 20px;
    cursor: pointer;
    background-color: #111;
    color: white;
    border: none;
    border-radius: 2%;
    position: fixed;
    left: 10px;
    top: 10px;
}