.fondoNosotros {
    background-color: rgba(205, 224, 252, 0.5);
    padding: 15px;
}

.margen-cuadro{
    padding: 10px 30px;
}

.texto-cuadro{
    margin-right: 10px; 
    margin-left: 10px;
    margin-bottom:  0px;
}