.bubble:before {
  content: '';
  position: absolute;
  bottom: -50px;
  height: 50px;
  width: 90px;
  }
.bubble.left:before {
  border-radius: 0 0 100%;
  box-shadow: -1px -1px 0 0 #000 inset, -23px 0 0 0 #ebde94 inset, -24px -1px 0 0 #000 inset;
  left: 0;
}