body {
    font-family: Arial, sans-serif;
    margin: 20px;
    padding: 20px;
    background-color: #f4f4f4;
}

h1, h2, h3 {
    color: #d91e18;
}

.container {
    background: white;
    padding: 20px;
    border-radius: 8px;
    box-shadow: 0px 0px 10px rgba(0, 0, 0, 0.1);
}

nav {
    display: flex;
    justify-content: center;
    gap: 20px;
    background-color: #d91e18;
    padding: 10px;
    border-radius: 8px;
}

nav a {
    color: white;
    text-decoration: none;
    font-weight: bold;
    padding: 8px 12px;
    border-radius: 5px;
    transition: background 0.3s;
}

nav a:hover {
    background: white;
    color: #d91e18;
}

ul {
    background: white;
    padding: 15px;
    list-style-type: square;
}

form {
    margin-top: 20px;
    padding: 20px;
    background: #fff;
    border-radius: 8px;
    box-shadow: 0px 0px 10px rgba(0, 0, 0, 0.1);
}

label {
    font-weight: bold;
}

input, select, textarea {
    width: 100%;
    padding: 10px;
    margin: 5px 0 15px 0;
    border: 1px solid #ccc;
    border-radius: 5px;
}

button {
    background-color: #d91e18;
    color: white;
    padding: 10px 15px;
    border: none;
    border-radius: 5px;
    cursor: pointer;
}

button:hover {
    background-color: #b31512;
}

table {
    width: 100%;
    border-collapse: collapse;
    margin-bottom: 20px;
}
table, th, td {
    border: 1px solid black;
}
th, td {
    padding: 10px;
    text-align: left;
}