body {
  margin: 0;
  padding: 0;
}

canvas {
  display: block;
  margin: 0 auto;
  width: 100%;
}

.canvas-container {
  background: linear-gradient(to bottom, #87ceeb, #78bfdc, #69b0cd, #96ddfa);
  max-width: 90%;
  margin: 0 auto;
}

:root {
  --bg-r: 67;
  --bg-g: 172;
  --bg-b: 221;
}

.droplet {
  width: 18rem;
  height: 19rem;
  /* background-color: rgb(67, 172, 221) ; */
  background-color: rgba(var(--bg-r), var(--bg-g), var(--bg-b), 0.288);
  border-radius: 40rem/40rem;
  position: relative;
  box-shadow: inset 6px 42px 20px 0
      rgba(var(--bg-r), var(--bg-g), var(--bg-b), 0.288),
    inset 18px 89px 12px 0 rgba(var(--bg-r), var(--bg-g), var(--bg-b), 0.288),
    12px 18px 17px 0px rgba(var(--bg-r), var(--bg-g), var(--bg-b), 0.288);
}

.droplet::before {
  position: absolute;
  content: "";
  background-color: #f4f1f44f;
  width: 1rem;
  height: 1rem;
  left: 2.5rem;
  top: 5rem;
  border-radius: 50%;
  transform: rotate(50deg);
}

.droplet::after {
  position: absolute;
  content: "";
  background-color: #f4f1f44f;
  width: 1.5rem;
  height: 4rem;
  left: 5rem;
  top: 1.5rem;
  transform: rotate(60deg);
  border-radius: 37% 54% 46% 46%;
}

.mobile-controller {
  border-radius: 20px;
  background-color: rgba(0, 0, 0, 0.5);
  display: none;
  justify-content: center;
  align-items: center;
  flex-wrap: wrap;
  width: 200px;
  height: 200px;
  margin: 0 auto;
  position: fixed;
  bottom: 10px;
  right: 10px;
}

.mobile-controller button {
  width: 60px;
  height: 50px;
  border-radius: 20px;
  margin: 10px;
  position: relative;
}

#downButton,
#upButton {
  width: 90%;
}

#leftButton,
#rightButton {
  width: 43%;
}

#leftButton {
  margin-right: auto;
}

#rightButton {
  margin-left: auto;
}
@media screen and (max-width: 768px) {
  .mobile-controller {
    display: block;
  }
}