.sb-chat-btn {
    top: 30px;
    position: fixed;
    visibility: visible;
    bottom: 20px;
    right: 20px;
    left: auto;
    width: 60px;
    height: 60px;
    border-radius: 50%;
    cursor: pointer;
    box-shadow: 0 2px 6px rgba(0, 0, 0, 0.06), 0 3px 32px rgba(0, 0, 0, 0.16);
    transition: all 0.4s;
    background-color: #028be5;
    z-index: 999995;
}