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

.container {
    max-width: 90%;
    margin: auto;
    padding: 20px;
}

.navbar {
    background: #007BFF;
    color: white;
    padding: 15px;
    text-align: center;
    position: relative;
}

.navbar a {
    color: white;
    text-decoration: none;
    position: absolute;
    right: 20px;
    top: 18px;
}

.login-container {
    width: 90%;
    max-width: 400px;
    margin: 100px auto;
    background: white;
    padding: 20px;
    box-shadow: 0 0 10px rgba(0,0,0,0.1);
    border-radius: 8px;
}

.login-body {
    background: #e9ecef;
}

input, button {
    width: 100%;
    padding: 10px;
    margin: 10px 0;
    border: 1px solid #ccc;
    border-radius: 4px;
}

table {
    width: 100%;
    border-collapse: collapse;
    background: white;
}

table th, table td {
    border: 1px solid #ddd;
    padding: 10px;
    text-align: left;
}

@media (max-width: 600px) {
    .login-container, .container {
        width: 95%;
    }
}