CSS quests

.center, .drawing, .cactus-container, .flowers, .cactus-body, .face, .mouth, .inner-mouth, .pot {
  margin: auto;
  left: 0;
  right: 0;
}

.scene {
  width: 100%;
  height: 100%;
  opacity: 1;
  background-color: #ffffcc;
}

.drawing {
  position: absolute;
  width: 400px;
  height: 400px;
}

.cactus-container {
  width: 200px;
  height: 300px;
  padding: 40px;
  animation: body 0.5s infinite alternate ease-in-out;
}

.flowers {
  position: absolute;
  top: 0;
  width: 50px;
  height: 50px;
}

.flower {
  position: absolute;
  background-color: #ff0055;
  height: 100%;
  top: -90%;
  width: 40%;
  border-radius: 20% 50%;
}
.flower::after {
  position: absolute;
  content: '';
  height: 90%;
  width: 90%;
  top: 5%;
  left: 5%;
  background-color: #ff6699;
  border-radius: 20% 50%;
}
.flower:nth-child(2) {
  left: -20px;
  width: 44%;
  top: -94%;
  transform: rotate(-20deg);
  z-index: -10;
}
.flower:nth-child(3) {
  left: 20px;
  width: 38%;
  top: -94%;
  transform: rotate(20deg);
}
.flower:nth-child(4) {
  left: 36px;
  width: 44%;
  top: -94%;
  transform: rotate(39deg);
  z-index: -10;
}

.cactus-body {
  position: relative;
  width: 150px;
  height: 170px;
  background: #1f7a1f;
  background: -webkit-linear-gradient(legacy-direction(to right), #1f7a1f 0%, #33cc33 40%, #1f7a1f 100%);
  background: linear-gradient(to right, #1f7a1f 0%, #33cc33 40%, #1f7a1f 100%);
  background-color: #33cc33;
  border-radius: 20px;
  z-index: 100;
  animation: cactus-body 0.5s infinite alternate linear;
}

.face {
  position: relative;
  width: 50%;
  height: 50px;
}

.eye {
  position: absolute;
  top: 40px;
  height: 20px;
  width: 6px;
  margin: 20px;
  background-color: #000;
  border-radius: 8px;
  animation: eyes 4s infinite alternate ease-out;
}

.left-eye {
  left: 40px;
}

.right-eye {
  right: 40px;
}

.mouth {
  position: relative;
  top: 90px;
  width: 10px;
  height: 10px;
  background-color: #000;
  border-radius: 0 0 10px 10px;
}

.inner-mouth {
  width: 6px;
  height: 6px;
  background-color: #33cc33;
  border-radius: 0 0 10px 10px;
}

.arm {
  position: absolute;
  height: 30px;
  width: 30px;
  top: 100px;
  background-color: #33cc33;
  background: #1f7a1f;
  background: -webkit-linear-gradient(legacy-direction(to right), #1f7a1f 0%, #33cc33 40%, #1f7a1f 100%);
  background: linear-gradient(to right, #1f7a1f 0%, #33cc33 40%, #1f7a1f 100%);
}

.left-arm {
  left: -30px;
  animation: left-arm 0.5s infinite alternate ease-out;
}

.right-arm {
  right: -30px;
  animation: right-arm 0.5s infinite alternate ease-in;
}

.spines .spine {
  position: absolute;
  height: 0;
  width: 0;
  border-left: 5px solid transparent;
  border-right: 5px solid transparent;
  border-bottom: 20px solid #1a661a;
}
.spines .spine:nth-child(1) {
  transform: rotate(-20deg);
  top: 0;
}
.spines .spine:nth-child(2) {
  top: 49px;
  left: -3px;
  transform: rotate(-47deg);
}
.spines .spine:nth-child(3) {
  top: 110px;
  left: 23px;
  transform: rotate(-29deg);
}
.spines .spine:nth-child(4) {
  top: 10px;
  right: 23px;
  transform: rotate(29deg);
}
.spines .spine:nth-child(5) {
  top: 30px;
  right: -8px;
  transform: rotate(45deg);
}
.spines .spine:nth-child(6) {
  top: 70px;
  right: 20px;
  transform: rotate(19deg);
}
.spines .spine:nth-child(7) {
  top: 140px;
  right: 40px;
  transform: rotate(32deg);
}
.spines .spine:nth-child(8) {
  top: 10px;
  left: 50px;
  transform: rotate(-20deg);
}

.pot {
  width: 160px;
  height: 120px;
}

.top-pot {
  position: relative;
  top: -10%;
  left: -5%;
  width: 110%;
  height: 60%;
  background-color: #0052cc;
  border-radius: 80px;
}
.top-pot::after {
  position: absolute;
  content: '';
  z-index: 200;
  bottom: 10px;
  left: 5%;
  width: 90%;
  height: 10px;
  background-color: #0052cc;
  border-radius: 0 0 50px 50px;
}

.bottom-pot {
  position: relative;
  top: -30px;
  width: 80px;
  height: 10px;
  border-left: 40px solid transparent;
  border-right: 40px solid transparent;
  border-top: 80px solid #0066ff;
}
.bottom-pot::after {
  content: '';
  position: absolute;
  bottom: 0;
  height: 50px;
  width: 105%;
  left: -2.5%;
  background-color: #0066ff;
  border-radius: 0 0 20px 20px;
}

@keyframes body {
  0% {
    transform: translateX(18px);
  }
  50% {
    height: 210px;
    transform: translateX(0) rotate(-2deg);
  }
  100% {
    transform: translateX(-18px) rotate(2deg);
  }
}
@keyframes cactus-body {
  0% {
    transform: rotate(-10deg);
  }
  100% {
    transform: rotate(10deg);
  }
}
@keyframes left-arm {
  0% {
    transform: translateY(0);
  }
  100% {
    transform: translateY(-50px);
  }
}
@keyframes right-arm {
  0% {
    transform: translateY(-50px);
  }
  100% {
    transform: translateY(0);
  }
}
@keyframes eyes {
  95% {
    height: 20px;
  }
  100% {
    height: 0;
  }
}