.img-cabecerat {
    margin: 0;
    padding: 0;
    width: 100%;
    height: 50vh;
    background-image: url("../img/cabeceraTecnologia.jpeg");
    background-position: center;
    background-size: cover;
    
}
.sin-borde{
    border: solid 0px;
}

.lista{
    text-align: left;
}