XenForo Делаем баннер со скидкой на ресурсы.

.structItem-cell--icon::before {
    content: "Скидка 50%";
    position: absolute;
    top: 20px;
    left: -26px;
    width: 103px;
    height: 14px;
    background-color: #ff6347;
    color: white;
    display: flex;
    justify-content: center;
    align-items: center;
    transform: rotate(-45deg);
    transform-origin: center;
    font-size: 11px;
    text-align: center;
    white-space: nowrap;
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.2);
    z-index: 1;
}
.structItem {
    overflow: hidden;
    position: relative;
}

.js-resourceListItem-8 .structItem-cell--icon::before {
    content: "Скидка 50%";
    position: absolute;
    top: 20px;
    left: -26px;
    width: 103px;
    height: 14px;
    background-color: #ff6347;
    color: white;
    display: flex;
    justify-content: center;
    align-items: center;
    transform: rotate(-45deg);
    transform-origin: center;
    font-size: 11px;
    text-align: center;
    white-space: nowrap;
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.2);
    z-index: 1;
}
.structItem {
    overflow: hidden;
    position: relative;
}