body {
    font-family: Arial, sans-serif;
    background-color: #f4f4f9;
    margin: 0;
    padding: 20px;
    text-align: center;
}

.container {
    background: #ffffff;
    padding: 20px;
    max-width: 800px;
    margin: auto;
    border-radius: 10px;
    box-shadow: 0 0 10px rgba(0, 0, 0, 0.2);
}

h2 {
    color: #333;
}

form {
    display: flex;
    flex-wrap: wrap;
    justify-content: space-between;
}

input {
    width: 48%;
    padding: 10px;
    margin: 5px 0;
    border: 1px solid #ccc;
    border-radius: 5px;
}

.buttons {
    width: 100%;
    margin-top: 10px;
}

button {
    padding: 10px;
    margin: 5px;
    border: none;
    border-radius: 5px;
    cursor: pointer;
    font-weight: bold;
}

#agregarBtn {
    background-color: #007bff;
    color: white;
}

#limpiarBtn {
    background-color: #dc3545;
    color: white;
}

#descargarBtn {
    background-color: #28a745;
    color: white;
}

table {
    width: 100%;
    margin-top: 20px;
    border-collapse: collapse;
}

th, td {
    border: 1px solid #ddd;
    padding: 8px;
}

th {
    background-color: #007bff;
    color: white;
}

tr:nth-child(even) {
    background-color: #f2f2f2;
}