.clearfix::after {
    content: '';
    display: block;
    float: none;
    clear: both;
}

.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__group-right::before {
    content: '-50%';
    display: block;
    width: 50px;
    height: 50px;
    line-height: 50px;
    min-height: 50px;
    text-align: center;
    font-size: 16px;
    color: #fff;
    background: #f81f3c;
    -webkit-border-radius: 50%;
    -moz-border-radius: 50%;
    border-radius: 50%;
    border: 1px solid #fff;
    -webkit-box-shadow: 0 0 0 3px #f81f3c;
    -moz-box-shadow: 0 0 0 3px #f81f3c;
    box-shadow: 0 0 0 3px #f81f3c;
    position: absolute;
    top: 5%;
    right: 5%;
    margin: -5px 50px 0 0; /*-5px -5px 0 0*/
}

.prog_coupon__group-inner {
    position: relative;
}

.post-logo-pic,
.prog_coupon__price_box {
    display: block;
    width: 100%;
    max-width: 200px;
    text-align: center;
}
.prog_coupon__price_box {
    margin: 0 auto;
}

.prog_coupon__price_box {
    padding: 15px 20px;
}

.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::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__group-inner {
        margin-top: 15px;
    }
    .prog_coupon__group-left,
    .prog_coupon__group-right {
        width: 50%;
        height: 100%;
    }

    .prog_coupon__header_text {
        flex: 1;
    }

    .prog_coupon__group-right::before {
        top: 0;
        right: 0;
    }

    .prog_coupon__group-right {
        float: right;
    }

    .prog_coupon__price_box {
        position: absolute;
        bottom: 100px; /*0*/
        background: url('../img/prog3.jpg');
        background-repeat: no-repeat;
        background-size: 100% 100%;
    }

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

@media all and (max-width: 355px) {
    .prog_coupon__group-right::before {
        right: 0;
    }
}

@media screen and (max-width: 480px) {
    input {
        width: 90%;
    }
    .MaterialContent .Figure {
        margin-right: 0;
        margin-left: 0;
    }
}

@media all and (max-width: 520px) {
    .post-logo-pic {
        position: relative;
        margin: 5px auto;
        bottom: 0;
    }
}