a.coupon {
    display: flex;
    text-decoration: none;
    overflow: hidden;
    margin-bottom: 15px;
}
a.coupon > div.new:before {
    content: 'New';
    background-color: #000;
    color: #fff;
    font-size: 10px;
    line-height: 85px;
    width: 50px;
    height: 50px;
    transform: rotate(315deg);
    position: absolute;
    text-align: center;
    top: -25px;
    left: -25px;
}
a.coupon > div,
a.coupon > img {
    width: 50%;
    height: 120px;
    flex-grow: 1;
    z-index: -10;
    object-fit: cover;
}
a.coupon > div:first-child {
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    background-color: #d10a1c;
    color: #fff;
    text-align: center;
    padding: 10px;
    z-index: 2;
    position: relative;
}
a.coupon > div:first-child:after {
    content: "";
    position: absolute;
    top: 0;
    right: -10px;
    width: 10px;
    height: 120px;
    background: linear-gradient(45deg, #d10a1c 5px, transparent 0), linear-gradient(135deg, #d10a1c 5px, transparent 0);
    background-size: 10px 10px;
}
a.coupon > div:first-child > div {
    position: relative;
    margin: 0 auto;
    width: 100%;
    overflow: hidden;
}
a.coupon .coupon_shopname {
    border: 1px solid #fff;
    font-size: 12px;
    line-height: 1.5em;
    height: 1.5em;
}
a.coupon .coupon_title {
    max-height: 3em;
    line-height: 1em;
    font-size: 16px;
}
a.coupon .coupon_exp {
    background-color: #fff;
    color: #d10a1c;
    font-size: 12px;
    line-height: 1.5em;
    height: 1.5em;
    border-radius: 9px;
}
a.coupon > img {
    transition: all .5s ease;
    z-index: 1;
}
@media screen and (max-width: 320px) {
    a.coupon .coupon_title {
        font-size: 14px;
    }
    a.coupon .coupon_title h1,
    a.coupon .coupon_title .h1 {
        font-size: 34px;
    }
    a.coupon .coupon_title h2,
    a.coupon .coupon_title .h2 {
        font-size: 28px;
    }
    a.coupon .coupon_title h3,
    a.coupon .coupon_title .h3 {
        font-size: 22px;
    }
    a.coupon .coupon_title h4,
    a.coupon .coupon_title .h4 {
        font-size: 16px;
    }
    a.coupon .coupon_title h5,
    a.coupon .coupon_title .h5 {
        font-size: 12px;
    }
    a.coupon .coupon_title h6,
    a.coupon .coupon_title .h6 {
        font-size: 10px;
    }
}