body {
    font-family: Arial, sans-serif;
    background-color: #f4f4f4;
    margin: 0;
    color: #222;
}

header {
    background-color: #ffffff;
    padding: 20px;
    border-bottom: 2px solid #ddd;
}

h1 {
    margin: 0;
}

nav {
    margin-top: 10px;
}

nav a {
    margin-right: 15px;
    text-decoration: none;
    color: #0056b3;
    font-weight: bold;
}

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

.intro {
    padding: 20px;
    background: #ffffff;
    margin: 20px;
    border-radius: 6px;
}

input {
    margin: 20px;
    padding: 8px;
    width: 90%;
    max-width: 400px;
}

.grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 20px;
    padding: 20px;
}

.card {
    background: white;
    padding: 15px;
    border-radius: 8px;
    border: 1px solid #ddd;
}

.card img {
    width: 100%;
    height: 150px;
    object-fit: cover;
}

.card h3 {
    margin: 10px 0 5px;
}

.card p {
    font-size: 14px;
}

.card a {
    display: inline-block;
    margin-top: 10px;
    color: #007bff;
    text-decoration: none;
}

.card a:hover {
    text-decoration: underline;
}

.articulo {
    padding: 20px;
}

.articulo img {
    max-width: 100%;
    margin-bottom: 20px;
}

footer {
    text-align: center;
    padding: 20px;
    background: #ffffff;
    border-top: 1px solid #ddd;
    margin-top: 30px;
}