body {
    font-family: Arial, sans-serif;
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

header {
    background-color: #333;
    color: white;
    padding: 1rem 0;
}

nav ul {
    list-style: none;
    padding: 0;
    margin: 0;
    display: flex;
    justify-content: center;
}

nav ul li {
    margin: 0 1rem;
    position: relative;
}

nav ul li a {
    color: white;
    text-decoration: none;
    padding: 1rem;
    display: block;
}

nav ul li a:hover,
nav ul li .dropbtn:hover {
    text-decoration: underline;
}

nav ul li .dropdown-content {
    display: none;
    position: absolute;
    background-color: #f9f9f9;
    min-width: 160px;
    box-shadow: 0px 8px 16px 0px rgba(0,0,0,0.2);
    z-index: 1;
}

nav ul li .dropdown-content a {
    color: black;
    padding: 12px 16px;
    text-decoration: none;
    display: block;
    text-align: left;
}

nav ul li .dropdown-content a:hover {
    background-color: #f1f1f1;
}

nav ul li.dropdown:hover .dropdown-content {
    display: block;
}

.login-container {
    width: 300px;
    margin: 100px auto;
    padding: 2rem;
    border: 1px solid #ccc;
    border-radius: 5px;
    box-shadow: 0 0 10px rgba(0,0,0,0.1);
}

.login-container h2 {
    margin-bottom: 1rem;
}

.login-container label {
    display: block;
    margin-bottom: 0.5rem;
}

.login-container input {
    width: 100%;
    padding: 0.5rem;
    margin-bottom: 1rem;
    border: 1px solid #ccc;
    border-radius: 5px;
}

.login-container button {
    width: 100%;
    padding: 0.5rem;
    border: none;
    border-radius: 5px;
    background-color: #333;
    color: white;
    font-size: 1rem;
}