body {
    font-family: Arial, sans-serif;
    display: flex;
    flex-direction: column;
    align-items: center;
    margin: 0;
    background-color: #f9f9f9;
}

table {
    width: 70%;
    max-width: 800px;
    border-collapse: collapse;
    margin: 20px 0;
    background-color: #ffffff;
    box-shadow: 0 4px 8px rgba(0, 0, 0, 0.1);
    border-radius: 8px;
    overflow: hidden;
}

th, td {
    border: 1px solid #ddd;
    padding: 12px;
    text-align: center;
}

th {
    background-color: #f3f3f3;
    font-weight: bold;
}

caption {
    font-size: 20px;
    font-weight: bold;
    margin-bottom: 10px;
}

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

tbody tr:nth-child(odd) {
    background-color: #ffffff;
}

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

aside {
    margin-top: 20px;
    padding: 20px;
    background-color: #ffffff;
    box-shadow: 0 4px 8px rgba(0, 0, 0, 0.1);
    border-radius: 8px;
    width: 70%;
    max-width: 800px;
}

aside h3 {
    margin-top: 0;
}

aside ul {
    padding-left: 20px;
}

aside ul li {
    margin: 8px 0;
}

section {
    margin: 20px auto;
    width: 80%;
    max-width: 800px;
    text-align: center;
    background-color: #ffffff;
    padding: 20px;
    border-radius: 8px;
    box-shadow: 0 4px 8px rgba(0, 0, 0, 0.1);
}

.media {
    max-width: 100%;
    height: auto;
    margin-top: 10px;
}

audio, video {
    margin-top: 20px;
    width: 100%;
    max-width: 600px;
}

form {
    width: 80%;
    max-width: 600px;
    margin: 20px auto;
    background-color: #ffffff;
    padding: 20px;
    border-radius: 8px;
    box-shadow: 0 4px 8px rgba(0, 0, 0, 0.1);
}

.form-group {
    margin-bottom: 15px;
}

label {
    display: block;
    margin-bottom: 5px;
    font-weight: bold;
}

input, select, button {
    width: 100%;
    padding: 10px;
    margin-top: 5px;
    border: 1px solid #ccc;
    border-radius: 4px;
    font-size: 16px;
}

input[type="checkbox"] {
    width: auto;
    margin-right: 10px;
}

button {
    background-color: #007BFF;
    color: #ffffff;
    cursor: pointer;
    border: none;
}

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

.checkbox-group label {
    display: flex;
    align-items: center;
    margin-bottom: 5px;
}