.reward-grid {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    justify-content: center;
}

.reward-grid-gradient {
    background: linear-gradient(75deg, #99e4ff 1%, #46b3ff 10%, #46b3ff 90%, #99e4ff 99%);
    border-radius: 15px;
    padding: 5px 5px 5px 5px;
    border: 1px solid #46b3ff;
    width: 100%;
}

.reward-item {
    position: relative
}

.reward-item .item-bg {
    width: 90px;
    height: 90px;
}

.reward-item .item-bg-large {
    width: 130px;
    height: 130px;

}

.reward-item .item-icon {
    position: absolute;
    left: 45%;
    top: 45%;
    transform: translate(-45%, -45%);

}

.banner {
    width: 100%;
    max-width: 800px;
    padding: 20px;
    background: linear-gradient(to right, rgba(255, 255, 194, 0.5), rgba(255, 232, 91, 1), rgba(255, 255, 194, 0.5));
    text-align: center;
    font-family: Arial, sans-serif;
    font-size: 18px;
    color: #8b0000;
    box-shadow: 0 4px 8px rgba(0, 0, 0, 0.2);
    margin: 20px auto;
    position: relative;
}

.clock-container {
    display: flex;
    justify-content: center;
    align-items: center;
}