body {
    font-family: 'Poppins', sans-serif;
    margin: 0;
    padding: 0;
    background: #fdfdfd;
    color: #000000;
}

header {
    background: url('images/banner.png') no-repeat center center;
    background-size: cover;
    color: white;
    text-align: center;
    padding: 100px 20px;
    font-size: 42px;
    font-weight: bold;
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.3);
    position: relative;
}

header::after {
    content: "";
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.3);
    z-index: 1;
}

header h1 {
    position: relative;
    z-index: 2;
}

.banner {
    background-image: url("img/banner.jpg");
    background-size: cover;
    background-position: center;
    background-repeat: no-repeat;
    height: 200px;
    display: flex;
    justify-content: center;
    align-items: center;
    color: white;
    text-shadow: 2px 2px 4px black;
}

main {
    display: flex;
    min-height: calc(100vh - 120px);
}

nav {
    width: 200px;
    background: #f2f2f2;
    padding: 20px;
    border-right: 2px solid #ddd;
}

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

nav ul li {
    margin: 15px 0;
}

nav ul li a {
    text-decoration: none;
    color: #000000;
    font-weight: bold;
    display: block;
    padding: 8px;
    border-radius: 5px;
    transition: 0.3s;
}

nav ul li a:hover {
    background: #800000;
    color: white;
}

.main {
    flex: 1;
    padding: 20px;
    background: #fff;
}

h2 {
    border-bottom: 2px solid #800000;
    padding-bottom: 5px;
    margin-bottom: 15px;
}

footer {
    background: #000000;
    color: white;
    text-align: center;
    padding: 15px;
}

a {
    color: #800000;
    text-decoration: none;
    font-weight: bold;
}
  
a:hover {
    color: #ff0000;
}
  
img {
    border: 4px solid #000000;
    border-radius: 10px;
    display: block;
}