ginpei/potoshop

.BubbleButton {
  --bubble-button--size: 50px;

  align-items: center;
  background-color: var(--color-main-bg);
  border-radius: 50%;
  border: 1px solid #9cf;
  box-sizing: border-box;
  color: #9cf;
  cursor: pointer;
  display: flex;
  font-size: calc(var(--bubble-button--size) / 2);
  height: var(--bubble-button--size);
  justify-content: center;
  left: 0;
  position: absolute;
  text-shadow: 1px 1px #fff9;
  transition: all var(--app-animation-duration-quick) ease-out;
  top: 0;
  width: var(--bubble-button--size);
}
.BubbleButton.-dragging {
  transition: none;
}