.persona__imagen {
height: 300px;
width: 300px;

}
.persona__imagen--roberta{
    background:url("../../../img/personas/roberta.jpg")
}


.persona__imagen--marcela{
    background:url("../../../img/personas/marcela.jpg")
}

.persona__imagen--andrea{
    background:url("../../../img/personas/andrea.jpg")
}
.persona__imagen{
    background-size: cover;
    height: 300px;
    background-position: center;
    width: 300px;
    background-repeat: no-repeat;
    border-radius: 100%;
}