#line-chat-container .line-badge {
  position: fixed;
  width: 50px;
  height: 50px;
  z-index: 999;
  cursor: pointer;
  border: 1px solid #eee;
  padding: 5px;
  border-radius: 50%;
  background: #fff;
}
#line-chat-container svg {
  width: 100%;
  max-width: 100%;
  height: auto;
}
@media (min-width:750px) {
  #line-chat-container .line-badge {
    width: 60px;
    height: 60px;
  }
}