body {
    font-family: Arial, sans-serif;
    margin: 0;
    background-color: #f0fff0; /* hijau muda */
    color: #000000;
}

.header {
    background: linear-gradient(135deg, #006400, #00b300);
    color: white;
    padding: 2rem;
    text-align: center;
}

.container {
    max-width: 900px;
    margin: 2rem auto;
    background: white;
    padding: 2rem;
    border-radius: 10px;
    box-shadow: 0 5px 20px rgba(0,0,0,0.1);
}

h1 {
    color: #ffffff;
}

img {
    width: 100%;
    border-radius: 10px;
    margin-bottom: 1.5rem;
}

.btn-back {
    display: inline-block;
    background:  #00b300;
    color: white;
    padding: 10px 20px;
    text-decoration: none;
    border-radius: 5px;
    transition: background 0.3s;
}

.btn-back:hover {
    background: #006400;
}