label {

display: block;

margin: 5px 0;

}

table {

border-collapse: collapse;

border-spacing: 0;

}

td, th {

padding: 5px;

border-bottom: 1px solid #aaa;

}

/* Reset default browser styles */
body {
    margin: 0;
    padding: 0;
    font-family: Arial, sans-serif;
    background-color: #f2f2f2;
}

/* Header styles */
header {
    background-color: #333;
    color: white;
    padding: 20px;
    text-align: center;
}

/* Navigation menu styles */
nav ul {
    list-style-type: none;
    margin: 0;
    padding: 0;
    display: flex;
    justify-content: center;
    background-color: #444;
}

nav ul li {
    display: inline;
    margin: 0 10px;
}

nav ul li a {
    color: white;
    text-decoration: none;
    padding: 10px;
}

nav ul li a:hover {
    background-color: #666;
}

/* Main section styles */
main {
    padding: 20px;
    margin: 20px;
}

/* Form styles */
form {
    max-width: 500px;
    margin: 0 auto;
    background-color: #fff;
    padding: 20px;
    border-radius: 5px;
    box-shadow: 0 0 10px rgba(0, 0, 0, 0.1);
}

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

input[type="text"],
input[type="number"],
textarea {
    width: 100%;
    padding: 8px;
    margin-bottom: 10px;
    border: 1px solid #ccc;
    border-radius: 4px;
    box-sizing: border-box;
}

input[type="submit"] {
    background-color: #333;
    color: white;
    padding: 10px 20px;
    border: none;
    border-radius: 4px;
    cursor: pointer;
}

input[type="submit"]:hover {
    background-color: #444;
}

/* Footer styles */
footer {
    background-color: #333;
    color: white;
    text-align: center;
    padding: 10px;
    position: fixed;
    bottom: 0;
    width: 100%;
}