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

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

nav ul {
    list-style-type: none;
    margin: 0;
    padding: 0;
    text-align: center;
}

nav ul li {
    display: inline;
    margin: 0 1em;
}

nav ul li a {
    color: white;
    text-decoration: none;
}

main {
    padding: 2em;
    text-align: center;
}

h1 {
    color: #333;
}

form {
    background-color: white;
    padding: 1em;
    margin-bottom: 2em;
    border-radius: 5px;
    box-shadow: 0 0 10px rgba(0, 0, 0, 0.1);
    display: inline-block;
    text-align: left;
}

form label {
    display: block;
    margin-bottom: 0.5em;
    color: #333;
}

form input {
    width: calc(100% - 22px);
    padding: 0.5em;
    margin-bottom: 1em;
    border: 1px solid #ccc;
    border-radius: 3px;
}

form button {
    background-color: #333;
    color: white;
    padding: 0.5em 1em;
    border: none;
    border-radius: 3px;
    cursor: pointer;
}

form button:hover {
    background-color: #555;
}

#user-buttons {
    display: flex;
    flex-direction: column;
    align-items: center;
}

#user-buttons button {
    width: 200px;
    margin-bottom: 10px;
}

table {
    width: 100%;
    border-collapse: collapse;
    margin-bottom: 2em;
}

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

table th {
    background-color: #333;
    color: white;
}

table tr:nth-child(even) {
    background-color: #f9f9f9;
}

table tr:hover {
    background-color: #f1f1f1;
}

button {
    background-color: #333;
    color: white;
    padding: 0.5em 1em;
    border: none;
    border-radius: 3px;
    cursor: pointer;
}

button:hover {
    background-color: #555;
}

footer {
    background-color: #333;
    color: white;
    text-align: center;
    padding: 1em 0;
    position: fixed;
    width: 100%;
    bottom: 0;
}