#realidad-aumentada{
    background-image: url(../images/realidad.jpg);
    width: 100%;
    height: 100%;
    background-repeat: no-repeat;
    background-position: center center;
    background-size: cover;
}
#soporte{
    background-image: url(../images/mantenimiento.jpg);
    width: 100%;
    height: 100%;
    background-repeat: no-repeat;
    background-position: center center;
    background-size: cover;
}
#nosotros{
    background-image: url(../images/nosotros2.jpg);
    width: 100%;
    height: 100%;
    background-repeat: no-repeat;
    background-position: center center;
    background-size: cover;
}
#soporte:before{
    content: '';
    background-color: rgba(13, 125, 194, 0.493);
}
.encima {
    display: block;
    position: relative;
    color: #2471A3;
    margin: 5% 3%;
  }
  .encima_2 {
    display: block;
    position: relative;
    color: #212F3C   ;
    margin: 5% 3%;
  }
  .encima-3 {
    display: block;
    position: relative;
    color: #c5cfd8   ;
    margin: 5% 3%;
  }
  .tarjeta{
      background-color: rgba(183, 203, 216, 0.74);
      border-radius: 5px;
      padding: 2%;
  }
  .tarjeta_2{
    background-color: rgba(236, 131, 70, 0.74);
    border-radius: 5px;
    padding: 2%;
}

  @media (max-width: 500px) {
    .encima {
        color: #1C2833   ;
        margin-top:  2%;
        text-align: center;
      }
  }