body {
    font-family: Arial, sans-serif;
    background-color: #f0f2f5;
    margin: 0;
    padding: 0;
}

.container {
    width: 80%;
    margin: 0 auto;
}

header {
    background-color: #007bff;
    color: #ffffff;
    padding: 20px;
    text-align: center;
}

h1 {
    color: #ff6600;
}

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

input, button {
    width: 100%;
    padding: 10px;
    margin: 10px 0;
    border: 1px solid #ddd;
    border-radius: 4px;
}

button {
    background-color: #ff6600;
    color: #ffffff;
    border: none;
    cursor: pointer;
}

button:hover {
    background-color: #ff8533;
}

ul {
    list-style: none;
    padding: 0;
}

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

li h2 {
    color: #007bff;
}

li p {
    margin: 5px 0;
}

header img {
    max-width: 100px;
}

header .nav {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.nav a {
    color: #ffffff;
    text-decoration: none;
    padding: 10px 20px;
}

.nav a:hover {
    background-color: #0056b3;
    border-radius: 4px;
}