body {
    font-family: Arial, sans-serif;
    margin: 20px;
    padding: 0 20px;
    color: #333;
}

header {
    border-bottom: 2px solid #ccc;
    padding-bottom: 10px;
    margin-bottom: 20px;
}

h2 {
    color: #555;
}

.grid-nodos {
    display: flex;
    gap: 20px;
    margin-bottom: 40px;
}

.card {
    border: 1px solid #ccc;
    padding: 15px;
    width: 300px;
    background-color: #f9f9f9;
}

.status-ok {
    color: green;
    font-weight: bold;
}

form {
    display: flex;
    flex-direction: column;
    gap: 10px;
    max-width: 400px;
    border: 1px solid #ccc;
    padding: 20px;
    background-color: #f9f9f9;
}

input, textarea {
    padding: 8px;
    border: 1px solid #ccc;
}

button {
    padding: 10px;
    background-color: #007BFF;
    color: white;
    border: none;
    cursor: pointer;
}

button:hover {
    background-color: #0056b3;
}