.product-reviewform-inputwrapper {
    display: flex;
    flex-wrap: wrap;
    margin-left: -15px;
    margin-right: -15px;
    margin-top: 10px;
    margin-bottom: 10px;
    box-sizing: border-box;
    width:100%;
}
.product-reviewform-label {
    width: 25%;
    padding: 0 15px;
    box-sizing: border-box;
}
.product-reviewform-input {
    width: 75%;
    box-sizing: border-box;
    padding: 0 15px;
}
.product-reviewform-input input[type=text], .product-reviewform-input textarea {
    width: 100%;
    box-sizing: border-box;
    padding: 10px 15px;
    border: 1px solid #cccccc;
}
.product-reviewform-input textarea {
    height:80px;
    resize:none;
}

.product-reviewform-stars {
    flex-wrap: wrap;
    display: flex;
}
.product-reviewform-stars label {
    width: 20px;
    height: 20px;
    display: block;
    background-image: url(images/star_empty50.png);
    background-size: contain;
    cursor:pointer;
}
.product-reviewform-stars input {
    display: none;
}
.product-reviewform-stars label.checked {
    background-image: url(images/star50.png);
}
.reviewform-errors {
    color: #c73737;
}
.reviewform-success {
    color: #4caf50;
    text-align: center;
}

@media (max-width:768px) {
    .product-reviews-col1, .product-reviews-col2, .product-reviews-col3 {
        width: 100%;
    }
    .product-rating-summary-count {
        width: 50%;
    }
    .product-rating-summary-parts {
        width: 100%;
    }
    .product-reviewform-label, .product-reviewform-input {
        width: 100%;
    }
}