.info-container {
    width: 50%;
    float: left;
    padding: 10px;
    text-align: center;
}

.info-container img {
    width: 100%;
    max-width: 550px;
}

.form-calcula .col-md-12 {
    margin-top: 20px;
}

.opt-container {
    width: 50%;
    float: right;
    padding-left: 20px;
}

@media (max-width: 920px) {
    .info-container img {
        padding: 0px;
        max-width: inherit;
    }
    .opt-container {
        padding-left: 0px;
    }
    .opt-container,
    .info-container {
        clear: both;
        width: 100%;
    }
    .form-calcula h1 {
        text-align: center;
    }
}

.form-check {
    margin-top: 10px;
}

button {
    width: 100%;
}

.form-calcula h1 {
    padding-bottom: 10px;
}

.precioDiv {
    padding-top: 20px;
    text-align: center;
    font-weight: bold;
}

.card-group img {
    height: 300px;
    padding: 10px;
}