@keyframes byeTile {
  from { opacity: 1; }
  to { opacity: 0; }
}

@keyframes wrongMove {
  0% {
    box-shadow: inset 0 0 10px 0 rgba(0, 0, 0, 0);
  }
  50% {
    box-shadow: inset 0 0 10px 0 rgba(255, 0, 0, 1);
  }
  100% {
    box-shadow: inset 0 0 10px 0 rgba(0, 0, 0, 0);
  }
}

@keyframes rightMove {
  0% {
    box-shadow: inset 0 0 10px 0 rgba(0, 0, 0, 0);
  }
  50% {
    box-shadow: inset 0 0 10px 0 rgba(0, 255, 0, 1);
  }
  100% {
    box-shadow: inset 0 0 10px 0 rgba(0, 0, 0, 0);
  }
}

@keyframes selectMove {
  0% {
    box-shadow: inset 0 0 10px 0 rgba(0, 0, 0, 0);
  }
  50% {
    box-shadow: inset 0 0 10px 0 rgba(255, 255, 255, 1);
  }
  100% {
    box-shadow: inset 0 0 10px 0 rgba(0, 0, 0, 0);
  }
}

@keyframes m {
  0% {
   background-position: 
    calc( .9*var(--s)) calc( .9*var(--s)),
    calc(-.1*var(--s)) calc(-.1*var(--s)),
    calc( .7*var(--s)) calc( .7*var(--s)),
    calc(-.3*var(--s)) calc(-.3*var(--s)),0 0
  }
  25% {
   background-position: 
    calc(1.9*var(--s)) calc( .9*var(--s)),
    calc(-1.1*var(--s)) calc(-.1*var(--s)),
    calc(1.7*var(--s)) calc( .7*var(--s)),
    calc(-1.3*var(--s)) calc(-.3*var(--s)),0 0
  }
  50% {
   background-position: 
    calc(1.9*var(--s)) calc(-.1*var(--s)),
    calc(-1.1*var(--s)) calc( .9*var(--s)),
    calc(1.7*var(--s)) calc(-.3*var(--s)),
    calc(-1.3*var(--s)) calc( .7*var(--s)),0 0
  }
  75% {
   background-position: 
    calc(2.9*var(--s)) calc(-.1*var(--s)),
    calc(-2.1*var(--s)) calc( .9*var(--s)),
    calc(2.7*var(--s)) calc(-.3*var(--s)),
    calc(-2.3*var(--s)) calc( .7*var(--s)),0 0
  }
  100% {
   background-position: 
    calc(2.9*var(--s)) calc(-1.1*var(--s)),
    calc(-2.1*var(--s)) calc(1.9*var(--s)),
    calc(2.7*var(--s)) calc(-1.3*var(--s)),
    calc(-2.3*var(--s)) calc(1.7*var(--s)),0 0
  }
}

@keyframes flip {
  0%,80% {
    transform: rotateY(360deg) 
  }
}

body {
  overflow: hidden;
}

.tile {
  width: 90%;
  height: 90%;
  border-radius: 30% 0 30% 0;
  margin: 0;
  background: 
    radial-gradient(
      rgba(255, 255, 255, 0.5),
      rgba(0, 0, 0, 0.5)
    );
  background-size: 200% 200%;
  background-position: 80% 70%;
  z-index: 10;
  position: relative;
  transition: 0.1s;
}

.tile:hover {
  animation: selectMove 1s ease-out 0s infinite;
  transition: 0.1s;
}

.tileSelected {
  width: 100%;
  height: 100%;
  border-radius: 30% 0 30% 0;
  margin: 0;
  background-size: 200% 200%;
  background-position: 80% 70%;
  z-index: 10;
  position: relative;
  animation: wrongMove 1s ease-out 0s infinite;
  transition: 0.1s;
}

.tileMatched {
  opacity: 0;
}

.bg {
  display: grid;
  place-items: center;
  position: absolute;
  top: 0px;
  left: 0px;
  width: 100vw;
  height: 100vh;
  overflow: hidden;
  transform: scale(1.2);
  filter: blur(4px);
}

.bgTwo {
  position: absolute;
  top: 0;
  left: 0;
  width: 100vw;
  height: 100vh;
  overflow: hidden;
  --s: 100px; /* control the size */
  --c1: rgba(255, 0, 255, 0);
  --c2: rgba(255, 255, 255, 0.1);
  
  --_s: calc(2*var(--s)) calc(2*var(--s));
  --_g: var(--_s) conic-gradient(at 40% 40%, rgba(0, 0, 0, 0) 75%,var(--c1) 0);
  --_p: var(--_s) conic-gradient(at 20% 20%, rgba(0, 0, 0, 0) 75%,var(--c2) 0);
  background:
    calc( .9*var(--s)) calc( .9*var(--s))/var(--_p),
    calc(-.1*var(--s)) calc(-.1*var(--s))/var(--_p),
    calc( .7*var(--s)) calc( .7*var(--s))/var(--_g),
    calc(-.3*var(--s)) calc(-.3*var(--s))/var(--_g),
    conic-gradient(from 90deg at 20% 20%,var(--c2) 25%,var(--c1) 0) 
     0 0/var(--s) var(--s);
  animation: m 3s infinite;
}

.field {
  display: grid;
  place-items: center;
  position: absolute;
  top: 0px;
  left: 0px;
  width: 100vw;
  height: 100vh;
  background-color: rgba(0, 0, 0, 0.1);
  box-shadow: inset 0 0 100px 0 rgba(0, 0, 0, 0);
  transition: .2s;
}

.board {
  display: grid;
  place-items: center;
  width: 100vh;
  height: 100vh;
  overflow: hidden;
}

.drawField {
  display: grid;
  place-items: center;
  position: absolute;
  top: 0px;
  left: 0px;
  width: 100vw;
  height: 100vh;
  pointer-events: none;
  transition: .2s;
}

.drawSpace {
  width: 100vh;
  height: 100vh;
  z-index: 998;
  display: grid;
  place-items: center;
  pointer-events: none;
}

.waviy {
  position: relative;
  text-align: center;
}

.waviy span {
  position: relative;
  display: inline-block;
  font-size: 5em;
  text-shadow: 5px 5px 5px rgba(0, 0, 0, 1);
  color: #fff;
  text-transform: uppercase;
  animation: flip 3s infinite;
  animation-delay: calc(.2s * var(--i))
}

.theButton {
  border: none;
  box-shadow: 5px 5px 5px rgba(0, 0, 0, 1);
  width: auto;
  padding: 0 150px 0 150px;
  font-size: 2em;
  border-radius: 50px 0 50px 0;
  outline: inset 5px rgba(0,0,0,0.5);
  background-color: rgba(255, 0, 255, 0.1);
  transition: all 0.1s;
  color: #fff;
}

.theButton:hover {
  outline: inset 5px rgba(255,0,255,0.5);
}