SOURCE

<div class="coupon"></div>

body{
    background-color: #7890dd;
}
.coupon{
    position: relative;
    width: 245px;
    height: 88px;
    background: radial-gradient(circle at left,transparent 10px,gray 10px,gray 90%,transparent 90%),
    radial-gradient(circle at right,transparent 10px,gray 10px,gray 90%,transparent 90%);
}
.coupon::before{
    content: '';
    position: absolute;
    inset:50% 10px 0 10px;
    background: linear-gradient(to right,transparent 0% ,transparent 50%,white 50%  ,white 100%) repeat-x;
    background-size: 10px 1px;
}