body {
 font-family: Arial, sans-serif;
 margin: 0;
 padding: 0;
 background-color: #f4f4f4;
}
header {
 background-color: #333;
 color: #fff;
 padding: 10px 20px;
}
header h1 {
 margin: 0;
}
nav a {
 color: #fff;
 margin: 0 10px;
 text-decoration: none;
}
nav a:hover {
 text-decoration: underline;
}
main {
 padding: 20px;
}
footer {
 background-color: #333;
 color: #fff;
 text-align: center;
 padding: 10px 20px;
 position: fixed;
 bottom: 0;
 width: 100%;
}
form {
 background-color: #fff;
 padding: 20px;
 border-radius: 5px;
 box-shadow: 0 0 10px rgba(0,0,0,0.1);
}
label {
 display: block;
 margin-top: 10px;
}
input, textarea {
 width: 100%;
 padding: 8px;
 margin-top: 5px;
 border: 1px solid #ccc;
 border-radius: 4px;
}
button {
 margin-top: 10px;
 padding: 10px 15px;
 background-color: #333;
 color: #fff;
 border: none;
 border-radius: 4px;
 cursor: pointer;
}
button:hover {
 background-color: #555;
}