.right-panel.index {
    position: relative;
}

.announcement {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    background-color: rgba(255, 255, 255, 0.90);
    border: 2px solid #ccc;
    padding: 16px;
    text-align: center;
}