Predefinição:Reward/styles.css

.item-wrapper {
    position: relative;
    z-index: 15;
}

.item-wrapper[data-tooltip]:hover::after {
    content: attr(data-tooltip);
    position: absolute;
    bottom: 130%;
    left: 50%;
    transform: translateX(-50%);
    background: #2c2c2c;
    color: #fff;
    padding: 6px 10px;
    font-size: 13px;
    font-weight: bold;
    border-radius: 6px;
    box-shadow: 0 2px 6px rgba(0,0,0,0.3);
    max-width: 220px;
    white-space: nowrap;
    z-index: 9999;
}

.item-wrapper[data-tooltip]:hover::before {
    content: "";
    position: absolute;
    bottom: calc(100% - 1px); /* gruda bem certinho na caixa */
    left: 50%;
    transform: translateX(-50%);
    border: 6px solid transparent;
    border-top: none;
    border-bottom-color: #2c2c2c;
    z-index: 9998;
}

.reward-wrapper {
    display: inline-block;
    margin: 8px 0;
    font-family: Arial, sans-serif;
}

.reward-title {
    font-weight: bold;
    font-size: 16px;
    text-transform: uppercase;
    color: #444;
    margin-bottom: 4px;
}

.reward-items {
    display: flex;
    flex-wrap: wrap;
    align-items: flex-end;
}

.item-wrapper {
    display: inline-block;
    position: relative;
    margin: 0 4px;
    overflow: visible;
}

.item-wrapper img {
    vertical-align: bottom;
}

.item-count {
    position: absolute;
    bottom: -4px;
    right: -4px;
    font-size: 10px;
    font-weight: bold;
    background: rgba(0, 0, 0, 0.75);
    color: white;
    padding: 1px 4px;
    border-radius: 4px;
    line-height: 1;
    box-shadow: 0 0 2px #000;
    white-space: nowrap;
    z-index: 2;
}

.item-wrapper:hover .item-count {
    background: rgba(0, 0, 0, 0.9);
}