body, html {
  margin: 0;
  padding: 0;
  height: 100%;
  width: 100%;
}
.select-wsb-item {
  border: 5px solid #7850CD;
}
#balloon {
  position: fixed;
  bottom: 10px;
  right: 10px;
  padding: 10px;
  background-color: #ffeb3b;
  border-radius: 10px;
  box-shadow: 0 0 10px rgba(0, 0, 0, 0.2);
  display: none;
  z-index: 1000;
}