.prog_coupon {
    position: relative;
    max-width: 600px;
    padding: 5px 10px;
    margin: 0 auto 30px;
    text-align: center;
}

.prog_coupon__header {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
}

.prog_coupon__header_text {
    font-family: "PFRegal", "Georgia", serif;
    color: #000;
    font-weight: bold;
    font-size: 20px;
    text-align: center;
}

.prog_coupon__header_img,
.prog_coupon__header_img {
    margin: 10px auto;
}

.prog_coupon__prices {
    text-align: center;
}

.prog_coupon__price {
    font-weight: bold;
    line-height: 1.4;
    font-size: 24px;
    white-space: nowrap;
}

.prog_coupon__price--new {
    color: red;
}.prog_coupon__price--old {
     text-decoration: line-through;
 }

.prog_coupon__price_text {
    font-size: 14px;
    font-style: italic;
}

.prog_coupon::after {
    display: block;
    content: '';
    clear: both;
}

@media screen and (min-width: 520px) {

    .prog_coupon__header_img,
    .prog_coupon__header_img {
        margin: 0;
        flex: 0;
    }

    .prog_coupon__header_text {
        flex: 1;
    }

    .prog_coupon__product_img,
    .prog_coupon__product_img {
        float: right;
    }

    .prog_coupon__prices {
        position: absolute;
        bottom: 10%;
    }

    .prog_coupon__price_box {
        display: inline-block;
        width: initial;
        padding: 30px 60px;
        background: url('../img/prog3.jpg');
        background-repeat: no-repeat;
        background-size: 100% 100%;
    }

    .prog_coupon__price--old {
        text-decoration: line-through;
    }
}

@media screen and (max-width: 480px) {
    input {
        width: 90%;
    }
}