body {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  background: #222;
  background: linear-gradient(to bottom left, #2a2a2a, #1a1a1a);
  font-family: system-ui;
}

.keyboard {
  --radius: 4vmin;
  --red: rgb(255, 100, 100);
  --green: rgb(100, 200, 100);
  --blue: rgb(100, 100, 255);
  background-color: #111;
  padding: 2vmin;
  border-radius: var(--radius);
  box-shadow: 0 4vmin #0b0b0b, -2vmin 5vmin 4vmin #0a0a0a;
  position: relative;
  box-sizing: border-box;
}
.keyboard:after {
  content: "";
  height: 100vh;
  width: 1.2vw;
  bottom: 100%;
  position: absolute;
  left: 50%;
  transform: translateX(-50%);
  background: linear-gradient(to left, #111, #222, #111, #111);
  box-shadow: -0.4vmin 0 1vmin #111;
}
.keyboard:before {
  content: "Blake Barrie";
  position: absolute;
  top: calc(100% + 1.2vmin);
  left: 0;
  width: 100%;
  text-align: center;
  color: #3a3a3a;
  font-size: 1.5vmin;
}
.keyboard .keyboard-inner {
  display: flex;
  gap: 1vmin;
  padding: 0.75vmin 1vmin 1vmin;
  overflow: hidden;
  background-color: #222;
  border-radius: calc(var(--radius) * 0.5);
  box-shadow: 0 0.5vmin black inset;
}
.keyboard .keyboard-inner .key {
  width: 10vmin;
  height: 9vmin;
  padding: 0.6vmin 0.6vmin 0.9vmin;
  top: 0.5vmin;
  position: relative;
  overflow: hidden;
  border-radius: calc(var(--radius) * 0.5);
  transform: translate3d(0, 0, 0);
  -webkit-animation: shadow 5s -0.5s linear infinite;
          animation: shadow 5s -0.5s linear infinite;
  --delay: 0;
}
.keyboard .keyboard-inner .key:nth-child(1n+1) {
  --delay: 0.2s;
  -webkit-animation: shadow 5s calc(-0.5s + var(--delay)) linear infinite;
          animation: shadow 5s calc(-0.5s + var(--delay)) linear infinite;
}
.keyboard .keyboard-inner .key:nth-child(1n+1) .key-content {
  -webkit-animation: color 5s calc(-0.5s + var(--delay)) linear infinite;
          animation: color 5s calc(-0.5s + var(--delay)) linear infinite;
}
.keyboard .keyboard-inner .key:nth-child(1n+2) {
  --delay: 0.4s;
  -webkit-animation: shadow 5s calc(-0.5s + var(--delay)) linear infinite;
          animation: shadow 5s calc(-0.5s + var(--delay)) linear infinite;
}
.keyboard .keyboard-inner .key:nth-child(1n+2) .key-content {
  -webkit-animation: color 5s calc(-0.5s + var(--delay)) linear infinite;
          animation: color 5s calc(-0.5s + var(--delay)) linear infinite;
}
.keyboard .keyboard-inner .key:nth-child(1n+3) {
  --delay: 0.6s;
  -webkit-animation: shadow 5s calc(-0.5s + var(--delay)) linear infinite;
          animation: shadow 5s calc(-0.5s + var(--delay)) linear infinite;
}
.keyboard .keyboard-inner .key:nth-child(1n+3) .key-content {
  -webkit-animation: color 5s calc(-0.5s + var(--delay)) linear infinite;
          animation: color 5s calc(-0.5s + var(--delay)) linear infinite;
}
.keyboard .keyboard-inner .key:nth-child(1n+4) {
  --delay: 0.8s;
  -webkit-animation: shadow 5s calc(-0.5s + var(--delay)) linear infinite;
          animation: shadow 5s calc(-0.5s + var(--delay)) linear infinite;
}
.keyboard .keyboard-inner .key:nth-child(1n+4) .key-content {
  -webkit-animation: color 5s calc(-0.5s + var(--delay)) linear infinite;
          animation: color 5s calc(-0.5s + var(--delay)) linear infinite;
}
.keyboard .keyboard-inner .key:nth-child(1n+5) {
  --delay: 1s;
  -webkit-animation: shadow 5s calc(-0.5s + var(--delay)) linear infinite;
          animation: shadow 5s calc(-0.5s + var(--delay)) linear infinite;
}
.keyboard .keyboard-inner .key:nth-child(1n+5) .key-content {
  -webkit-animation: color 5s calc(-0.5s + var(--delay)) linear infinite;
          animation: color 5s calc(-0.5s + var(--delay)) linear infinite;
}
.keyboard .keyboard-inner .key:nth-child(1n+6) {
  --delay: 1.2s;
  -webkit-animation: shadow 5s calc(-0.5s + var(--delay)) linear infinite;
          animation: shadow 5s calc(-0.5s + var(--delay)) linear infinite;
}
.keyboard .keyboard-inner .key:nth-child(1n+6) .key-content {
  -webkit-animation: color 5s calc(-0.5s + var(--delay)) linear infinite;
          animation: color 5s calc(-0.5s + var(--delay)) linear infinite;
}
.keyboard .keyboard-inner .key:nth-child(1n+7) {
  --delay: 1.4s;
  -webkit-animation: shadow 5s calc(-0.5s + var(--delay)) linear infinite;
          animation: shadow 5s calc(-0.5s + var(--delay)) linear infinite;
}
.keyboard .keyboard-inner .key:nth-child(1n+7) .key-content {
  -webkit-animation: color 5s calc(-0.5s + var(--delay)) linear infinite;
          animation: color 5s calc(-0.5s + var(--delay)) linear infinite;
}
.keyboard .keyboard-inner .key:nth-child(1n+8) {
  --delay: 1.6s;
  -webkit-animation: shadow 5s calc(-0.5s + var(--delay)) linear infinite;
          animation: shadow 5s calc(-0.5s + var(--delay)) linear infinite;
}
.keyboard .keyboard-inner .key:nth-child(1n+8) .key-content {
  -webkit-animation: color 5s calc(-0.5s + var(--delay)) linear infinite;
          animation: color 5s calc(-0.5s + var(--delay)) linear infinite;
}
.keyboard .keyboard-inner .key:nth-child(1n+9) {
  --delay: 1.8s;
  -webkit-animation: shadow 5s calc(-0.5s + var(--delay)) linear infinite;
          animation: shadow 5s calc(-0.5s + var(--delay)) linear infinite;
}
.keyboard .keyboard-inner .key:nth-child(1n+9) .key-content {
  -webkit-animation: color 5s calc(-0.5s + var(--delay)) linear infinite;
          animation: color 5s calc(-0.5s + var(--delay)) linear infinite;
}
.keyboard .keyboard-inner .key:nth-child(1n+10) {
  --delay: 2s;
  -webkit-animation: shadow 5s calc(-0.5s + var(--delay)) linear infinite;
          animation: shadow 5s calc(-0.5s + var(--delay)) linear infinite;
}
.keyboard .keyboard-inner .key:nth-child(1n+10) .key-content {
  -webkit-animation: color 5s calc(-0.5s + var(--delay)) linear infinite;
          animation: color 5s calc(-0.5s + var(--delay)) linear infinite;
}
@-webkit-keyframes shadow {
  0% {
    box-shadow: 0 0 5vmin -2vmin var(--red);
  }
  33% {
    box-shadow: 0 0 5vmin -2vmin var(--blue);
  }
  66% {
    box-shadow: 0 0 5vmin -2vmin var(--green);
  }
  100% {
    box-shadow: 0 0 5vmin -2vmin var(--red);
  }
}
@keyframes shadow {
  0% {
    box-shadow: 0 0 5vmin -2vmin var(--red);
  }
  33% {
    box-shadow: 0 0 5vmin -2vmin var(--blue);
  }
  66% {
    box-shadow: 0 0 5vmin -2vmin var(--green);
  }
  100% {
    box-shadow: 0 0 5vmin -2vmin var(--red);
  }
}
.keyboard .keyboard-inner .key:before {
  content: "";
  width: 400vmin;
  height: 400vmin;
  position: absolute;
  top: 150%;
  left: 150%;
  transform: translate(-50%, -50%);
  background: conic-gradient(var(--red), var(--green), var(--blue), var(--red));
  -webkit-animation: spin 5s var(--delay) linear infinite;
          animation: spin 5s var(--delay) linear infinite;
}
@-webkit-keyframes spin {
  from {
    transform: translate(-50%, -50%) rotate(0deg);
  }
  to {
    transform: translate(-50%, -50%) rotate(360deg);
  }
}
@keyframes spin {
  from {
    transform: translate(-50%, -50%) rotate(0deg);
  }
  to {
    transform: translate(-50%, -50%) rotate(360deg);
  }
}
.keyboard .keyboard-inner .key .key-content {
  width: 100%;
  height: 100%;
  background-color: #111;
  position: relative;
  border-radius: calc(var(--radius) * 0.4);
  font-size: 3vmin;
  top: -0.3vmin;
  display: flex;
  align-items: center;
  justify-content: center;
  color: #FFF;
  z-index: 1;
  cursor: pointer;
  -webkit-user-select: none;
     -moz-user-select: none;
      -ms-user-select: none;
          user-select: none;
  box-shadow: 0 0.6vmin rgba(0, 0, 0, 0.6);
  transition: top 0.1s ease-in-out, box-shadow 0.1s ease-in-out, background-color 0.1s ease-in-out;
}
.keyboard .keyboard-inner .key .key-content:active {
  top: 0vmin;
  box-shadow: 0 0.3vmin rgba(0, 0, 0, 0.6);
  background-color: rgba(17, 17, 17, 0.9);
}
@-webkit-keyframes color {
  0% {
    color: var(--red);
  }
  33% {
    color: var(--blue);
  }
  66% {
    color: var(--green);
  }
  100% {
    color: var(--red);
  }
}
@keyframes color {
  0% {
    color: var(--red);
  }
  33% {
    color: var(--blue);
  }
  66% {
    color: var(--green);
  }
  100% {
    color: var(--red);
  }
}