style.css

html {
  font-size: 5vh;
}
@media screen and (min-height: 400px) {
  html {
    font-size: 19px;
  }
}

body {
  display: flex;
  justify-content: center;
  align-items: center;
  height: 100vh;
  background-color: #C683D7;
}

@keyframes swimming {
  0%, 100% {
    transform: translateX(0);
  }
  22.5% {
    transform: translateX(2.5rem) skewY(-5deg);
  }
  45% {
    transform: translateX(6rem) translateY(-1rem) skewY(5deg);
  }
  55% {
    transform: translateX(5rem) translateY(-0.5rem) scaleX(-1);
  }
  95% {
    transform: translateX(0) scaleX(-1) skewY(10deg);
  }
}
@keyframes dead {
  0%, 100% {
    transform: translateX(2.5rem);
  }
  22.5% {
    transform: translateX(2.5rem) translateY(-1rem) skewY(-5deg);
  }
  45% {
    transform: translateX(2.5rem) skewY(5deg);
  }
  55% {
    transform: translateX(2.5rem) translateY(-1rem) skewY(-5deg);
  }
  95% {
    transform: translateX(2.5rem) skewY(5deg);
  }
}
.fishbowl {
  position: relative;
  width: 15rem;
  height: 15rem;
}
.fishbowl__background {
  position: relative;
  width: 100%;
  height: 100%;
  border-radius: 50% 50% 40% 40%;
  background: linear-gradient(transparent 10%, #FFF 150%);
  border-bottom: 1px solid #FFF;
}
.fishbowl:before {
  content: "";
  position: absolute;
  bottom: 9.5rem;
  left: 2rem;
  width: 100%;
  height: 30%;
  border-radius: 50%;
  box-shadow: -4rem 10rem 1rem 0 rgba(0, 0, 56, 0.3);
  transform: rotate(5deg);
}
.fishbowl:after {
  content: "";
  position: absolute;
  top: 12.5%;
  left: 2.5%;
  width: 95%;
  height: 85%;
  border-radius: 40%;
  background: linear-gradient(135deg, transparent 50%, #FFF 150%);
}
.fishbowl__bottom {
  position: absolute;
  bottom: 5%;
  left: 17.5%;
  width: 65%;
  height: 20%;
  border-radius: 50%;
  background: linear-gradient(#F5FCCD, #ff7d66 200%);
}
.fishbowl__decoration {
  position: absolute;
  top: 20%;
  left: 5%;
  width: 90%;
  height: 75%;
}
.fishbowl__seaweed {
  position: absolute;
  width: 0;
  height: 0;
  border-left: 0.5rem solid transparent;
  border-right: 0.5rem solid transparent;
  border-bottom: 5rem solid #80c0a1;
}
.fishbowl__seaweed--1 {
  bottom: 15%;
  right: 20%;
  border-bottom: 5rem solid #80c0a1;
}
.fishbowl__seaweed--2 {
  bottom: 10%;
  right: 30%;
  border-bottom: 8rem solid #80c0a1;
}
.fishbowl__seaweed--3 {
  bottom: 15%;
  right: 40%;
  border-bottom: 6rem solid #80c0a1;
}
.fishbowl__water {
  position: absolute;
  bottom: 5%;
  left: 5%;
  width: 90%;
  height: 80%;
  border-radius: 40% 40% 4.8rem 4.8rem;
  transition: height 0.3s ease;
  overflow: hidden;
}
.fishbowl__water-color {
  position: absolute;
  bottom: 0;
  left: 0;
  width: 100%;
  height: calc(1% * var(--filling, 90));
  background: linear-gradient(transparent -50%, #419197 250%);
  border-radius: 20% 20% 4rem 4rem;
  transition: height 0.5s linear;
}
.fishbowl__water-color:after {
  content: "";
  position: absolute;
  top: 0;
  left: 5%;
  width: 90%;
  height: 3rem;
  border-radius: 50%;
  background: linear-gradient(transparent 0%, #419197 250%);
  box-shadow: inset 0 -1px 0 0 rgba(255, 255, 255, 0.5);
}
.fishbowl__top {
  position: absolute;
  top: 5%;
  left: 15%;
  width: 70%;
  height: 20%;
  border-radius: 50%;
  box-shadow: 0 2px 2px 3px rgba(255, 255, 255, 0.3);
}
.fishbowl__fish {
  position: absolute;
  bottom: 25%;
  left: 18%;
  width: 2rem;
  height: 1rem;
  border-radius: 50%;
  background: linear-gradient(#FFF -200%, orange);
  box-shadow: 0 2rem 4px -2px rgba(0, 0, 56, 0.3);
  transition-property: bottom, transform, box-shadow;
  transition-duration: 1s;
  transition-timing-function: ease;
  animation: swimming;
  animation-duration: 5s;
  animation-iteration-count: infinite;
  animation-fill-mode: forwards;
}
.fishbowl__fish:after {
  content: "";
  position: absolute;
  top: 15%;
  right: 15%;
  width: 0.25rem;
  height: 0.25rem;
  border-radius: 50%;
  background: radial-gradient(circle at 0 0, #FFF -100%, #12486B);
  transition: height 0.5s ease;
}
.fishbowl__fish--dying {
  bottom: 10%;
  box-shadow: 0 1rem 4px -2px rgba(0, 0, 56, 0.3);
}
.fishbowl__fish--dying .fishbowl__fish-tail {
  box-shadow: 0 1rem 4px -2px rgba(0, 0, 56, 0.3);
}
.fishbowl__fish--dead {
  animation: dead;
  animation-duration: 2s;
  animation-iteration-count: 2;
  animation-fill-mode: forwards;
  box-shadow: none;
}
.fishbowl__fish--dead .fishbowl__fish-tail {
  box-shadow: none;
}
.fishbowl__fish--dead:after {
  height: 0.125rem;
}
.fishbowl__fish--floating {
  bottom: max(calc(var(--filling, 0) * 1% - 15%), 10%);
  transform: translateX(2.5rem);
  animation: none;
  box-shadow: none;
}
.fishbowl__fish--floating:after {
  height: 2px;
}
.fishbowl__fish--floating .fishbowl__fish-tail {
  box-shadow: none;
}
.fishbowl__fish-tail {
  position: absolute;
  top: 0;
  left: -0.75rem;
  width: 0;
  height: 0;
  border-top: 0.5rem solid transparent;
  border-bottom: 0.5rem solid transparent;
  border-left: 0.94rem solid orange;
  box-shadow: 0 2rem 4px -2px rgba(0, 0, 56, 0.3);
  transition: box-shadow 1s ease;
}
.fishbowl__pool {
  position: absolute;
  right: 0;
  bottom: -5%;
  width: 50%;
  height: 15%;
  border-radius: 50%;
  background: linear-gradient(#FFF -100%, #419197);
  opacity: 0.5;
}
.fishbowl__pool:after {
  content: "";
  position: absolute;
  top: 25%;
  left: 25%;
  width: 50%;
  height: 50%;
  border-right: 2px solid #FFF;
  border-radius: 50%;
  animation: wave;
  animation-duration: 3s;
  animation-iteration-count: infinite;
  opacity: 0.5;
}
@keyframes wave {
  from {
    top: 25%;
    left: 25%;
    width: 50%;
    height: 50%;
  }
  to {
    top: 10%;
    left: 10%;
    width: 80%;
    height: 80%;
  }
}
.fishbowl__tap {
  position: absolute;
  bottom: 0;
  left: -3rem;
  width: 12rem;
  height: 15.9rem;
  cursor: pointer;
}
.fishbowl__tap--active .fishbowl__tap-stream {
  animation: stream;
  animation-duration: 0.5s;
}
@keyframes stream {
  0% {
    height: 0;
  }
  50% {
    top: 2rem;
    height: calc(14rem - var(--filling) * 0.1rem);
  }
  100% {
    top: calc(2rem + 14rem - var(--filling) * 0.1rem);
    height: 0;
  }
}
.fishbowl__tap--active .fishbowl__tap-handle {
  animation: handle;
  animation-duration: 0.5s;
}
@keyframes handle {
  from {
    transform: rotate(45deg);
  }
  to {
    transform: rotate(405deg);
  }
}
.fishbowl__tap-base {
  position: absolute;
  bottom: 0;
  left: 0;
  width: 2rem;
  height: 14rem;
  border-radius: 0 0 1.2rem 1.2rem;
  box-shadow: inset -1px -1px 0 0px rgba(255, 255, 255, 0.5);
  background: linear-gradient(#919ea3, #66777F 150%);
}
.fishbowl__tap-base:before {
  content: "";
  position: absolute;
  z-index: -1;
  bottom: 4rem;
  right: 15rem;
  width: 100%;
  height: 100%;
  border-radius: 1rem 1rem 0 0;
  box-shadow: -4rem 10rem 1rem 0 rgba(0, 0, 56, 0.3);
  transform: rotate(-70deg);
}
.fishbowl__tap-base:after {
  content: "";
  position: absolute;
  bottom: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.4) 60%, transparent 200%);
  border-radius: 0 0 1.2rem 1.2rem;
}
.fishbowl__tap-handle {
  position: absolute;
  left: -1rem;
  bottom: 6rem;
  width: 2rem;
  height: 2rem;
  border-radius: 0.2rem;
  border-top: 1px solid #FFF;
  border-right: 1px solid rgba(255, 255, 255, 0.5);
  background: radial-gradient(circle at 0 0, #FFF -100%, #919ea3);
  transform: rotate(45deg);
}
.fishbowl__tap-handle:after {
  content: "";
  position: absolute;
  top: 0.5rem;
  left: 0.5rem;
  width: 1rem;
  height: 1rem;
  border-radius: 50%;
  background: radial-gradient(circle at 0 0, #FFF -200%, #7071E8);
}
.fishbowl__tap-stream {
  position: absolute;
  top: 2rem;
  left: 6.25rem;
  width: 1.5rem;
  height: 0;
  background: linear-gradient(#FFF -100%, #7071E8);
  border-radius: 1rem;
  opacity: 0.3;
}
.fishbowl__tap-head {
  position: absolute;
  top: 0;
  left: 0;
  width: 4rem;
  height: 0rem;
  border-radius: 50% 50% 0 0;
  border-top: 2rem solid #919ea3;
  border-left: 2rem solid #919ea3;
  border-right: 2rem solid #919ea3;
  box-shadow: 1px -1px 0 0 #FFF;
}
.fishbowl__tap-head:before {
  content: "";
  position: absolute;
  z-index: -1;
  bottom: 3rem;
  right: 23rem;
  width: 150%;
  height: 200%;
  box-shadow: -4rem 10rem 1rem 1rem rgba(0, 0, 56, 0.3);
  transform: rotate(2deg) skewX(60deg);
}
.fishbowl__tap-head:after {
  content: "";
  position: absolute;
  top: -2rem;
  left: -2rem;
  width: 8rem;
  height: 2rem;
  background: linear-gradient(transparent, rgba(255, 255, 255, 0.4) 60%, transparent 200%);
  border-radius: 50% 50% 0 50%;
}
.fishbowl__tap-end {
  position: absolute;
  left: 6rem;
  top: 1.5rem;
  width: 2rem;
  height: 1rem;
  border-radius: 50%;
  background: linear-gradient(#FFF -70%, #919ea3);
}
.fishbowl__tap-text {
  position: absolute;
  top: 4rem;
  left: -6rem;
  color: #FFF;
  font-family: "Arial", sans-serif;
  font-size: 0.875rem;
}
.fishbowl__tap-text:after {
  content: "";
  position: absolute;
  bottom: -1rem;
  right: -1rem;
  width: 2rem;
  height: 1px;
  background-color: #FFF;
  transform: rotate(45deg);
}
@media screen and (max-width: 420px) {
  .fishbowl {
    left: 13%;
  }
  .fishbowl__tap-text {
    width: 2rem;
    top: 1rem;
    left: -3.5rem;
  }
}