* {
    font-family: 'Times New Roman', Times, serif;
    color: #ffffff;
}

body {
    background-color: #ffffff;
    margin: 0;
    padding: 0;
}

.encabezado {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin: 20px 20px 0 20px;
}

.encabezado h1 {
    margin: 0;
    color: #000000;
}

nav {
    background-color: #00a2ca;
    padding: 10px 20px;
}

nav ul {
    list-style-type: none;
    margin: 0;
    padding: 0;
    display: flex;
    align-items: center;
    gap: 20px;
}

nav ul li a {
    color: #ffffff;
    text-decoration: none;
    font-weight: bold;
}

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

nav ul li .boton-nav {
    background-color: #007997;
    color: #ffffff;
    padding: 6px 12px;
    border-radius: 4px;
    text-decoration: none;
    transition: background-color 0.2s ease, color 0.2s ease;
}

nav ul li .boton-nav:hover {
    background-color: #004e62;
    color: #ffffff;
    text-decoration: none;
}

.presentacion {
    display: flex;
    align-items: flex-start;
    gap: 20px;
    margin: 20px;
}

.imagen {
    max-width: 300px;
    height: auto;
}

.bloque {
    display: flex;
    flex-direction: column;
    gap: 20px;
    flex: 1;
}

.contenido {
    padding: 20px;
    background-color: #00a2ca;
}

.contenido h2 {
    margin-top: 0;
}

.contenido ul li {
    margin-bottom: 14px; 
}

footer {
    text-align: center;
    margin: 20px;
    padding: 20px;
    background-color: #a3a3a3;
}

footer h1 {
    margin: 0;
    font-size: 1.5rem;
    color: #000000;
}