body {
    font-family: Arial, sans-serif;
    background-color: #f4f9ff;
    margin: 0;
}

header {
    background-color: #2a6f97;
    color: white;
    padding: 15px;
    text-align: center;
}

nav {
    background-color: #a9d6e5;
    padding: 10px;
    text-align: center;
}

nav ul{
    list-style:none;
    display:flex;
    justify-content:center;
    flex-wrap:wrap;
}

nav a {
    margin: 10px;
    text-decoration: none;
    font-weight: bold;
    color: #003049;
}

section {
    margin: 20px;
    padding: 15px;
}

.recomendacion {
    background-color: #e8f5e9;
    border-left: 5px solid #2a6f97;
}

.card {
    background-color: white;
    padding: 20px;
    margin: 15px;
    border-radius: 10px;
    border: 1px solid #ccc;
}

.lavado {
    background-color: #d0ebff;
}

.aula {
    background-color: #e6fcf5;
}

button {
    background-color: #2a6f97;
    color: white;
    padding: 10px;
    border: none;
    border-radius: 5px;
    cursor: pointer;
}

footer{
    background:#01131a;
    color:white;
    text-align:center;
    padding:20px;
    margin-top:20px;
}