.bubble-container {
  width: 100%;
  height: 400px;
  position: relative;
  overflow: hidden;
  background-color: #f0f8ff;
}
.bubble {
  width: 100px;
  height: 100px;
  background-color: #30D5C8;
  border-radius: 50%;
  color: #fff;
  display: flex;
  align-items: center;
  justify-content: center;
}