.online-indicator {
    position: absolute;
    bottom: 0;
    right: 0;
    width: 12px;
    height: 12px;
    background-color: #28a745;
    border: 2px solid white;
    border-radius: 50%;
    animation: pulse 2s infinite;
}

@keyframes pulse {
    0% {
        box-shadow: 0 0 0 0 rgba(40, 167, 69, 0.7);
    }

    50% {
        box-shadow: 0 0 0 6px rgba(40, 167, 69, 0);
    }

    100% {
        box-shadow: 0 0 0 0 rgba(40, 167, 69, 0);
    }
}