style.css

@import url("https://fonts.googleapis.com/css?family=Pacifico&text=Bingo");
@import url("https://fonts.googleapis.com/css?family=Kaushan+Script&text=!");

@font-face {
  font-family: "Cute Cartoon Regular";
  font-style: normal;
  font-weight: normal;
  src: local("Cute Cartoon Regular"), url("Cute Cartoon.woff") format("woff");
}

@font-face {
  font-family: "Jerónimo cartoon Regular";
  font-style: normal;
  font-weight: normal;
  src: local("Jerónimo cartoon Regular"), url("Jerónimo cartoon.woff") format("woff");
}

body {
  background: radial-gradient(circle, #0077ea, #1f4f96, #1b2949, #000);
}

main {
  height: 100vh;
  display: flex;
  flex-direction: column;
  justify-content: center;
  overflow: hidden;
  padding: 0;
  margin: 0;
}

.list {
  width: 100%;
  max-width: 1000px;
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  margin: 0 auto;
}

.item {
  box-sizing: border-box;
  width: 33.33%;
  padding-top: 33.33%;
  position: relative;
}

.flip-card {
  background-color: transparent;
  height: auto;
  border: 1px solid transparent;
  perspective: 1000px;
  position: absolute;
  top: 10px;
  bottom: 10px;
  right: 10px;
  left: 10px;
}

.flip-card-inner {
  width: 100%;
  height: 100%;
  text-align: center;
  transition: transform 0.8s;
  transform-style: preserve-3d;
  cursor: pointer;
}

/* Do an horizontal flip when you move the mouse over the flip box container */
.flip-card.active .flip-card-inner {
  transform: rotateY(180deg);
}

/* Position the front and back side */
.flip-card-front,
.flip-card-back {
  position: absolute;
  width: 100%;
  height: 100%;
  -webkit-backface-visibility: hidden;
  /* Safari */
  backface-visibility: hidden;
  border-width: 3px 3px 5px 5px;
  border-radius: 4% 95% 6% 95%/95% 4% 92% 5%;
  border: solid black;
  transform: rotate(-2deg);
  overflow: hidden;
}

/* Style the front side (fallback if image is missing) */
.flip-card-front {
  background-color: #008081;
  color: white;
  text-shadow: 24px 24px #158a8a;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 120px;
  font-family: "Cute Cartoon Regular";
}

/* Style the back side */
.flip-card-back {
  transform: rotateY(180deg);
}

.pyro {
  position: fixed;
  top: 0;
  bottom: 0;
  left: 0;
  right: 0;
}

.pyro > .before,
.pyro > .after {
  position: absolute;
  width: 5px;
  height: 5px;
  border-radius: 50%;
  box-shadow: 0 0 #fff, 0 0 #fff, 0 0 #fff, 0 0 #fff, 0 0 #fff, 0 0 #fff, 0 0 #fff, 0 0 #fff, 0 0 #fff, 0 0 #fff,
    0 0 #fff, 0 0 #fff, 0 0 #fff, 0 0 #fff, 0 0 #fff, 0 0 #fff, 0 0 #fff, 0 0 #fff, 0 0 #fff, 0 0 #fff, 0 0 #fff,
    0 0 #fff, 0 0 #fff, 0 0 #fff, 0 0 #fff, 0 0 #fff, 0 0 #fff, 0 0 #fff, 0 0 #fff, 0 0 #fff, 0 0 #fff, 0 0 #fff,
    0 0 #fff, 0 0 #fff, 0 0 #fff, 0 0 #fff, 0 0 #fff, 0 0 #fff, 0 0 #fff, 0 0 #fff, 0 0 #fff, 0 0 #fff, 0 0 #fff,
    0 0 #fff, 0 0 #fff, 0 0 #fff, 0 0 #fff, 0 0 #fff, 0 0 #fff, 0 0 #fff, 0 0 #fff;
  animation: 1s bang ease-out infinite backwards, 1s gravity ease-in infinite backwards,
    5s position linear infinite backwards;
}

.pyro > .after {
  animation-delay: 1.25s, 1.25s, 1.25s;
  animation-duration: 1.25s, 1.25s, 6.25s;
}

@keyframes bang {
  to {
    box-shadow: 113px 56.3333333333px #004dff, 83px -87.6666666667px #ff001e, 114px -155.6666666667px #8000ff,
      -51px -59.6666666667px cyan, 213px -44.6666666667px #ff00c8, -138px 23.3333333333px #00ff3c,
      -59px 61.3333333333px #00e6ff, -191px -369.6666666667px #00ff40, 103px -142.6666666667px #00ff73,
      242px -138.6666666667px #00ff84, -165px -261.6666666667px #ff005e, 50px -243.6666666667px #ff4d00,
      82px 83.3333333333px #00ff51, 40px -77.6666666667px #22ff00, 181px 34.3333333333px #00ff4d,
      -107px -22.6666666667px #8cff00, -56px 48.3333333333px #ff0084, 230px -26.6666666667px #00ff84,
      203px -262.6666666667px #00ff84, -31px -54.6666666667px #6aff00, -120px 64.3333333333px #00ffbf,
      -63px -277.6666666667px #88ff00, 127px 15.3333333333px #3cff00, -125px -247.6666666667px #ff002b,
      18px -333.6666666667px #ff00f7, 40px -196.6666666667px #4dff00, 177px -22.6666666667px #ffc800,
      178px -91.6666666667px #80ff00, 161px -242.6666666667px #1a00ff, -50px -134.6666666667px #73ff00,
      105px -61.6666666667px #1e00ff, -28px -305.6666666667px #00ff51, 153px -63.6666666667px #7b00ff,
      186px -217.6666666667px #5100ff, 152px -161.6666666667px #2b00ff, 244px -340.6666666667px #ff8800,
      56px -304.6666666667px #00ffd5, -193px -112.6666666667px #ff5500, 36px 70.3333333333px #ff004d,
      -249px -316.6666666667px #88ff00, 11px -398.6666666667px #000dff, -56px -148.6666666667px #a200ff,
      70px -246.6666666667px #6200ff, 210px -125.6666666667px #ffe600, -90px -156.6666666667px blue,
      170px -227.6666666667px #001aff, 52px 46.3333333333px #00ff44, -211px -48.6666666667px lime,
      1px -22.6666666667px #00ffaa, 139px -58.6666666667px #5eff00, 119px -3.6666666667px #ff2f00;
  }
}

@keyframes gravity {
  to {
    transform: translateY(200px);
    -moz-transform: translateY(200px);
    -webkit-transform: translateY(200px);
    -o-transform: translateY(200px);
    -ms-transform: translateY(200px);
    opacity: 0;
  }
}

@keyframes position {
  0%,
  19.9% {
    margin-top: 10%;
    margin-left: 40%;
  }
  20%,
  39.9% {
    margin-top: 40%;
    margin-left: 30%;
  }
  40%,
  59.9% {
    margin-top: 20%;
    margin-left: 70%;
  }
  60%,
  79.9% {
    margin-top: 30%;
    margin-left: 20%;
  }
  80%,
  99.9% {
    margin-top: 30%;
    margin-left: 80%;
  }
}

.pyro .bingo {
  text-align: center;
  margin-top: 200px;
}

.bingo {
  min-height: 450px;
  height: 100vh;
  margin: 0;
  display: none;
  position: fixed;
  justify-content: center;
  align-items: center;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
}

.fixed {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
}

.stage {
  height: 300px;
  width: 100%;
  max-width: 500px;
  margin: auto;
  position: absolute;
  top: 0;
  right: 0;
  bottom: 0;
  left: 0;
  perspective: 9999px;
  transform-style: preserve-3d;
}

@media not all and (min-resolution: 0.001dpcm) {
  @supports (-webkit-appearance: none) and (stroke-color: transparent) {
    .stage {
      perspective: 0;
      transform-style: flat;
    }
  }
}

.layer {
  width: 100%;
  height: 100%;
  position: absolute;
  transform-style: preserve-3d;
  animation: ಠ_ಠ 5s infinite alternate ease-in-out -7.5s;
  animation-fill-mode: forwards;
  transform: rotateY(40deg) rotateX(33deg) translateZ(0);
}

.layer:after {
  font: 110px/0.65 "Pacifico", "Kaushan Script", Futura, "Roboto", "Trebuchet MS", Helvetica, sans-serif;
  content: "Bingo!";
  white-space: pre;
  text-align: center;
  height: 100%;
  width: 100%;
  position: absolute;
  top: 50px;
  color: whitesmoke;
  letter-spacing: -2px;
  text-shadow: 4px 0 10px rgba(0, 0, 0, 0.13);
}

.layer:nth-child(1):after {
  transform: translateZ(0px);
}

.layer:nth-child(2):after {
  transform: translateZ(-1.5px);
}

.layer:nth-child(3):after {
  transform: translateZ(-3px);
}

.layer:nth-child(4):after {
  transform: translateZ(-4.5px);
}

.layer:nth-child(5):after {
  transform: translateZ(-6px);
}

.layer:nth-child(6):after {
  transform: translateZ(-7.5px);
}

.layer:nth-child(7):after {
  transform: translateZ(-9px);
}

.layer:nth-child(8):after {
  transform: translateZ(-10.5px);
}

.layer:nth-child(9):after {
  transform: translateZ(-12px);
}

.layer:nth-child(10):after {
  transform: translateZ(-13.5px);
}

.layer:nth-child(11):after {
  transform: translateZ(-15px);
}

.layer:nth-child(12):after {
  transform: translateZ(-16.5px);
}

.layer:nth-child(13):after {
  transform: translateZ(-18px);
}

.layer:nth-child(14):after {
  transform: translateZ(-19.5px);
}

.layer:nth-child(15):after {
  transform: translateZ(-21px);
}

.layer:nth-child(16):after {
  transform: translateZ(-22.5px);
}

.layer:nth-child(17):after {
  transform: translateZ(-24px);
}

.layer:nth-child(18):after {
  transform: translateZ(-25.5px);
}

.layer:nth-child(19):after {
  transform: translateZ(-27px);
}

.layer:nth-child(20):after {
  transform: translateZ(-28.5px);
}

.layer:nth-child(n + 10):after {
  -webkit-text-stroke: 3px rgba(0, 0, 0, 0.25);
}

.layer:nth-child(n + 11):after {
  -webkit-text-stroke: 15px rgb(223, 149, 12);
  text-shadow: 6px 0 6px #b44125, 5px 5px 5px #ee0a0a, 0 6px 6px #ee0a0a;
}

.layer:nth-child(n + 12):after {
  -webkit-text-stroke: 15px #ee0a0a;
}

.layer:last-child:after {
  -webkit-text-stroke: 17px rgba(0, 0, 0, 0.1);
}

.layer:first-child:after {
  color: #fff;
  text-shadow: none;
}

@keyframes ಠ_ಠ {
  100% {
    transform: rotateY(-40deg) rotateX(-43deg);
  }
}

.bingo-bg {
  position: fixed;
  top: 0;
  bottom: 0;
  right: 0;
  left: 0;
  display: flex;
  justify-content: center;
  align-items: center;
  flex-flow: column;
}

.bingo-img {
  animation: rubberBand 1.58s infinite;
  position: relative;
  margin-top: -200px;
  max-width: 500px;
  width: 100%;
}

.bingo-pulse {
  width: 100px;
  height: 100px;
  background: #00ffff00;
  animation: pulse 1s infinite;
  border-radius: 50%;
  margin-top: -200px;
}

@keyframes rubberBand {
  from {
    -webkit-transform: scale3d(1, 1, 1);
    transform: scale3d(1, 1, 1);
  }

  10%,
  20% {
    -webkit-transform: scale3d(0.9, 0.9, 0.9) rotate3d(0, 0, 1, -15deg);
    transform: scale3d(0.9, 0.9, 0.9) rotate3d(0, 0, 1, -15deg);
  }

  30%,
  50%,
  70%,
  90% {
    -webkit-transform: scale3d(1.1, 1.1, 1.1) rotate3d(0, 0, 1, 15deg);
    transform: scale3d(1.1, 1.1, 1.1) rotate3d(0, 0, 1, 15deg);
  }

  40%,
  60%,
  80% {
    -webkit-transform: scale3d(1.1, 1.1, 1.1) rotate3d(0, 0, 1, -15deg);
    transform: scale3d(1.1, 1.1, 1.1) rotate3d(0, 0, 1, -15deg);
  }

  to {
    -webkit-transform: scale3d(1, 1, 1);
    transform: scale3d(1, 1, 1);
  }
}

@keyframes pulse {
  0% {
    box-shadow: 0 0 0 0 rgba(204, 169, 44, 0.4);
  }
  70% {
    box-shadow: 0 0 0 1000px rgba(204, 169, 44, 0);
  }
  100% {
    box-shadow: 0 0 0 0 rgba(204, 169, 44, 0);
  }
}

.fixed-button {
  text-align: center;
  z-index: 1000;
  padding: 20px;
}

.fixed-button button {
  position: relative;
  background: white;
  border: none;
  z-index: 1000;
}