body {
  font-family: sans-serif;
  min-height: 100dvh;
  justify-content: center;
  align-items: center;
  display: flex;
  background-color: #ece9e4;
  font-size: 1rem;
}

button {
  position: relative;
  font: inherit;
  background-color: #f0f0f0;
  border: 0;
  color: #242424;
  border-radius: 0.5em;
  font-size: 3rem;
  padding: 0.375em 1em;
  font-weight: 600;
  text-shadow: 0 0.0625em 0 #fff;
  box-shadow: inset 0 0.0625em 0 0 #f4f4f4, 0 0.0625em 0 0 #efefef, 0 0.125em 0 0 #ececec, 0 0.25em 0 0 #e0e0e0, 0 0.3125em 0 0 #dedede, 0 0.375em 0 0 #dcdcdc, 0 0.425em 0 0 #cacaca, 0 0.425em 0.5em 0 #cecece;
  transition: 0.25s ease;
  pointer: cursor;
  touch-action: manipulation;
  -webkit-tap-highlight-color: rgba(0, 0, 0, 0);
  cursor: pointer;
}
button:active, button:hover {
  transform: translateY(0.225em);
  box-shadow: inset 0 0.03em 0 0 #f4f4f4, 0 0.03em 0 0 #efefef, 0 0.0625em 0 0 #ececec, 0 0.125em 0 0 #e0e0e0, 0 0.125em 0 0 #dedede, 0 0.2em 0 0 #dcdcdc, 0 0.225em 0 0 #cacaca, 0 0.225em 0.375em 0 #cecece;
}
button:active:after, button:hover:after {
  height: calc(100% + 0.225em);
}
button:after {
  position: absolute;
  content: "";
  display: block;
  width: 100%;
  height: calc(100% + 0.375em);
  top: 0;
  left: 0;
  background-color: transparent;
  transition: height 0.25s ease;
}