a.chatbot {
    position: fixed;
    bottom: 50px;
    right: 50px;
    padding: 2px;
    background-color: #fff;
    border-radius: 50%;
    animation: pulse 2s infinite;

    img {
        width: 64px;
        height: 60px;
    }
}

@keyframes pulse {
    0% {
        box-shadow: 0 0 0 0 rgba(0, 147, 214, 1);
    }
    100% {
        box-shadow: 0 0 0 20px rgba(0, 147, 214, .01);
    }
}