* {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

body {
    font-family: 'Arial', sans-serif;
    background-color: #f5f7fa;
    color: #333;
}

header {
    background-color: #2d3748; /* Warna header */
    color: #fff;
    padding: 15px 0;
    text-align: center;
}

nav ul {
    list-style: none;
    padding: 10px 0;
}

nav ul li {
    display: inline;
    margin: 0 20px;
}

nav ul li a {
    color: #ffffff;
    text-decoration: none;
    font-weight: bold;
}

nav ul li a:hover {
    text-decoration: underline;
}

main {
    max-width: 1200px;
    margin: 20px auto;
    padding: 20px;
}

h1, h2 {
    text-align: center;
    margin-bottom: 20px;
}

.section {
    background: #ffffff; /* Latar belakang putih untuk section */
    border-radius: 8px;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
    padding: 20px;
    margin-bottom: 20px;
}

.btn {
    display: inline-block;
    padding: 10px 20px;
    background-color: #4caf50; /* Warna tombol */
    color: white;
    border: none;
    border-radius: 5px;
    cursor: pointer;
    text-decoration: none;
    transition: background-color 0.3s;
}

.btn:hover {
    background-color: #45a049; /* Warna tombol saat hover */
}

input[type="text"], input[type="email"], input[type="password"] {
    width: calc(100% - 20px);
    padding: 10px;
    margin: 10px 0;
    border: 1px solid #ddd;
    border-radius: 5px;
}

input[type="text"]:focus, input[type="email"]:focus, input[type="password"]:focus {
    border-color: #4caf50; /* Warna border saat fokus */
    outline: none;
}

footer {
    text-align: center;
    padding: 15px 0;
    background: #2d3748; /* Warna footer */
    color: white;
    position: relative;
    bottom: 0;
    width: 100%;
    margin-top: 20px; /* Tambahkan margin atas untuk jarak dari konten */
}