body {
    font-family: Arial, sans-serif;
    margin: 0;
    padding: 0;
}
header {
    background: #007bff;
    color: white;
    padding: 10px 0;
    text-align: center;
}
nav {
    background: #f8f9fa;
    padding: 10px;
    text-align: center;
}
nav a {
    color: #007bff;
    margin: 0 15px;
    text-decoration: none;
    font-weight: bold;
}
nav a:hover {
    text-decoration: underline;
}
.content {
    text-align: center;
    padding: 50px;
    max-width: 800px;
    margin: 0 auto;
}
h1 {
    color: #333;
}
p {
    font-size: 1.2em;
}
form {
    margin-top: 20px;
}
label {
    display: block;
    margin: 10px 0 5px;
}
input, textarea {
    width: 100%;
    max-width: 250px;
    padding: 5px;
    margin-bottom: 10px;
    box-sizing: border-box;
}
button {
    background: #007bff;
    color: white;
    padding: 10px 20px;
    border: none;
    cursor: pointer;
}
button:hover {
    background: #0056b3;
}
ul {
    list-style: none;
    padding: 0;
}
ul li {
    margin: 10px 0;
}
ul li a {
    color: #007bff;
    text-decoration: none;
}
footer {
    background: #f8f9fa;
    padding: 10px;
    text-align: center;
    margin-top: 20px;
}
@media (max-width: 600px) {
    .content {
        padding: 20px;
    }
    nav a {
        margin: 0 10px;
    }
}