#fila3 {
    margin-top: 36px;
    width: 78%;
    justify-content: center;
    margin-left: 133px;
}
.card{
    width:270px;
    height:450px;
    margin-top:10px;
}
.card-body {
    text-align: center;
    font-family: roboto;
}

.mb-2 {
    font-size: 20px;
}

.card-text {
    color: #1f1e1e;
    margin-bottom:auto;
}

.Titu_especialidad {
    text-align: center;
    margin: 36px;
    font-family: 'Roboto';
    font-weight: bold;
}
.card-img-top {
    width: 268px;
    height: 295px;
}
#fila3{
    margin-top:36px;
}

@media screen and (max-width: 900px) {
    .card {
        margin-top: 10px;
        width: 214px;
        height: 495px;
    }
    .card-img-top {
        width: 214px;
        height: 245px;
    }

    #fila3 {
        margin-top: auto;
    }
    .col-md-3{
        padding-right:21vh;
    }
}

@media screen and (max-width: 500px) {
    .card {
        margin-top: 10px;
        margin-left: 0px;
        height:auto;
        width:auto;
    }
    .card-img-top{
        width:auto;
        height:auto;
    }
    #img_foto_principal_autoridades {
        height: 20vh;
    }
    .Titu_especialidad {
        font-size: 1.2em;
        margin: 13px;
    }
    #fila3{
        margin-top:auto;
    }
    .col-md-3{
        padding-right:0px;
    }
 


}