body {
    background-color: #f8f9fa;
}

.leer-correos-container {
    padding: 20px;
    border: 1px solid #dee2e6;
    border-radius: 5px;
    background-color: #ffffff;
    box-shadow: 0 2px 5px rgba(0, 0, 0, 0.1);
}

.correo-resultado {
    margin-top: 20px;
    padding: 15px;
    border: 1px solid #28a745;
    border-radius: 5px;
    background-color: #e9ffe9;
}