<button id="toggleMessage">
    Toggle Message
</button>
<div class="float-container">
  <div id="floating-message">Hello There 👋, chat with us!</div>
  <div id="floating-bubble"></div>
</div>

.float-container {
  display: flex;
  position: fixed;
  bottom: 0;
  right: 0;
}
#floating-bubble {
    background-color: teal;
    margin-bottom: 20px;
    margin-right: 60px;
    border-radius: 50%;
    width: 50px;
    height: 50px;
    box-shadow: 0 0 20px rgba(0,0,0,.5);
    transition: box-shadow .5s ease-in-out;
    cursor: pointer;
    z-index: 2147483645;
    border-bottom-right-radius: 0;
    background-image: url('https://cdn0.iconfinder.com/data/icons/thin-communication-messaging/57/thin-036_bubble_comment_chat_message-512.png');
    background-position: center;
    background-size: 80%;
    background-repeat: no-repeat;
    border-bottom-right-radius: 0;
}
#floating-message {
  margin-right: 15px;
  background: #3a96dd;
    padding: 5px;
    transition: none;
    animation-duration: .5s;
    animation-name: slidein,wiggle;
    animation-iteration-count: 1,4;
    animation-direction: normal,alternate;
    animation-timing-function: ease-in,ease-in-out;
    border-radius: 10px;
    font-size: 14px;
    box-shadow: 0 0 10px #000;
    color: #fff;
    font-family: Calibri, sans-serif;
}