.form-subtitle, .type-cont, .info-couple, .amount-cont, .lang-cont {
    width: 100%;
}

h5.form-subtitle {
    margin-top: 0;
}

.type-cont, .amount-cont, .lang-cont {
    display: flex;
    flex-wrap: wrap;
}

.type-cont .input-group, .amount-cont .input-group, .lang-cont .input-group {
    margin-right: 1rem;
    margin-top: -0.5rem;
    margin-bottom: 0.5rem;
}

.info-couple {
    margin-top: 1rem;
}

@media only screen and (max-width: 620px) {
    .type-cont, .amount-cont, .lang-cont {
        display: block;
    }
}