body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    line-height: 1.6;
    margin: 0;
    padding: 0;
    background-color: #fdfdfd;
    color: #333;
}

header {
    background-color: #4CAF50;
    color: white;
    padding: 1.5rem 0;
    text-align: center;
}

header nav ul {
    list-style: none;
    padding: 0;
    margin: 1rem 0 0;
}

header nav ul li {
    display: inline;
    margin: 0 1rem;
}

header nav ul li a {
    color: white;
    text-decoration: none;
}

.container {
    max-width: 900px;
    margin: auto;
    padding: 0 1rem;
}

.seccion {
    padding: 2rem 1rem;
    max-width: 800px;
    margin: auto;
}

h1, h2 {
    color: #333;
}

.foto-perfil {
    width: 150px;
    border-radius: 50%;
    float: left;
    margin-right: 1rem;
}

.galeria img {
    width: 100%;
    max-width: 600px;
    height: auto;
    display: block;
    margin: auto;
    border-radius: 8px;
    box-shadow: 0 4px 8px rgba(0,0,0,0.1);
}

footer {
    background-color: #222;
    color: white;
    text-align: center;
    padding: 1rem;
    margin-top: 2rem;
}