body {
    font-family: 'Arial', sans-serif;
    margin: 0;
    padding: 0;
    background-color: #f4f4f4;
}

header {
    background: #333;
    color: #fff;
    padding: 10px 0;
    text-align: center;
}

h1 {
    margin: 0;
}

nav {
    margin: 20px 0;
}

nav a {
    color: #fff;
    text-decoration: none;
    margin: 0 15px;
}

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

.main-content {
    padding: 20px;
}

img {
    max-width: 100%;
    height: auto;
    display: block;
    margin: 20px auto;
}

footer {
    text-align: center;
    padding: 10px 0;
    background: #333;
    color: #fff;
    position: relative;
    bottom: 0;
    width: 100%;
}
body {
    background-image: url("79f735bdc978bb91c3459899cad1a99a.jpg"); /* Usa la imagen que prefieras */
    background-size: cover;
    background-repeat: no-repeat;
    background-position: center center;
}