.row > .columna {
    text-align: center;
    margin: 20px 0;
    font-family: 'Ubuntu', sans-serif;
    color:white;
  }


/* formulario */


.envioN {
    background-color: #61b1d3;
    width: 38vw;
    height: auto;
    margin: auto;
}
.envioB {
    width: 38vw;
    height: auto;
    margin: auto;
    padding: 20px;
}
.jq-selectbox__trigger {
    background-color: #f0dce7;
}
.jq-selectbox__select{
    font-family: Arial, Helvetica, sans-serif;
    color: #5d5d5d;
    background-color: white;
    width: 30vw;
    border: #c0c0c0 1px solid;
    box-shadow: 1px 1px 5px #c7c7c7;
}


@media (max-width: 1140px) and (min-width: 960px) {
    .mbr-form.form-with-styler.mx-auto, .envioB, .envioN {
        width: 60vw;
    }
    .jq-selectbox__select{
        width: 35vw;
    }
}


@media (max-width: 959px) and (min-width: 720px) {
    .mbr-form.form-with-styler.mx-auto, .envioB, .envioN {
        width: 65vw;
        margin: auto;
    }
    .jq-selectbox__select{
        width: 37vw;
    }
}

@media (max-width: 719px) and (min-width: 540px) {
    .mbr-form.form-with-styler.mx-auto, .envioB, .envioN {
        width: 75vw;
        margin: auto;
    }
    .jq-selectbox__select{
        width: 45vw;
    }

}

@media (max-width: 539px) {
    .mbr-form.form-with-styler.mx-auto, .envioB, .envioN {
        width: 90vw;
        margin: auto;
    }
    .jq-selectbox__select{
        width: 70vw;
    }
}