body {
            font-family: Arial, sans-serif;
            margin: 0;
            padding: 0;
            color: #333;
            background: url('images/fondo.jpg') no-repeat center center fixed;
            background-size: cover;
        }

        header {
            background-color: rgba(44, 62, 80, 0.8);
            color: white;
            text-align: center;
            padding: 2rem;
        }

        header h1 {
            font-size: 2.5rem;
            margin: 0;
        }

        nav {
            background-color: rgba(52, 73, 94, 0.8);
            text-align: center;
            padding: 1rem;
        }

        nav a {
            color: white;
            margin: 0 1rem;
            text-decoration: none;
            font-size: 1.2rem;
        }

        section {
            max-width: 800px;
            margin: 2rem auto;
            padding: 2rem;
            background-color: rgba(255, 255, 255, 0.9);
            box-shadow: 0 2px 5px rgba(0,0,0,0.1);
            border-radius: 8px;
            text-align: center;
        }

        section h2 {
            border-bottom: 2px solid #3498db;
            padding-bottom: 0.5rem;
            color: #2c3e50;
        }

        #acerca-de-mi img {
            width: 150px;
            height: 150px;
            border-radius: 50%;
            margin-top: 1rem;
            box-shadow: 0 2px 5px rgba(0,0,0,0.2);
        }

        footer {
            background-color: rgba(44, 62, 80, 0.8);
            color: white;
            text-align: center;
            padding: 1.5rem 0;
            position: fixed;
            bottom: 0;
            width: 100%;
        }

        footer p {
            margin: 0;
        }

        /* Responsive Design */
        @media (max-width: 768px) {
            header h1 {
                font-size: 2rem;
            }

            nav a {
                font-size: 1rem;
            }

            section {
                margin: 1rem;
                padding: 1rem;
            }
        }