body {
    font-family: sans-serif;
    margin: 0;
    background: #f9f9f9;
}

header {
    background: #4CAF50;
    color: white;
    padding: 10px;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

header .header-right {
    margin-right: 20px;
}

header .header-right .registro-link {
    text-align: right;
    font-size: 16px;
    color: white;
    text-decoration: none;
}

header .header-right .registro-link:hover {
    text-decoration: underline;
}

header .logo {
    display: flex;
    align-items: center;
    justify-content: center;
    flex-grow: 1;
}

header .logo img {
    width: 50px;
    margin-right: 10px;
}

header nav ul {
    list-style: none;
    display: flex;
    justify-content: center;
    padding: 0;
}

header nav ul li {
    margin: 0 15px;
}

header nav ul li a {
    color: white;
    text-decoration: none;
    padding: 5px 10px;
    border-radius: 4px;
}

header nav ul li a:hover {
    background: white;
    color: #4CAF50;
}

main {
    padding: 20px;
}

.presentacion h2 {
    text-align: center;
    color: #4CAF50;
}

main .destacados {
    background: #fff;
    border: 1px solid #ddd;
    padding: 20px;
    border-radius: 5px;
    text-align: center;
}

main .destacados .productos {
    display: flex;
    justify-content: space-around;
    margin-top: 10px;
}

main .destacados .producto {
    background: #f0f0f0;
    padding: 10px;
    border: 1px solid #ddd;
    border-radius: 5px;
    width: 30%;
    text-align: center;
}

.productos img {
    width: 300px;
}

footer {
    background-color: #333;
    color: white;
    padding: 20px;
    margin-top: 20px;
    text-align: center;
    display: flex;
    flex-direction: column;
    align-items: center;
}

footer a {
    color: #4CAF50;
    text-decoration: none;
}

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