style.css

@font-face {
  font-family: "simplifica";
  src: url("./simplifica.ttf");
}

@font-face {
  font-family: "blood-scratch";
  src: url("./blood-scratch.ttf");
}

body {
  background-color: #000;
  color: #FFF;
  font-family: sans-serif;
  padding: 0;
  margin: 0;
  min-height: 100%;
}

input {
  border-style: none;
  background: transparent;
  outline: none;
  color: #FFF;
  border-bottom: 1px solid #FFF;
}

button {
  color: #000;
  padding: 10px;
  border-style: none;
  background: linear-gradient(91.83deg,rgba(189,146,70,0.7),hsla(51,90%,92%,0.7) 50.52%,rgba(189,146,70,0.7)),url(./button-texture.png);
}

#in-container {
  position: absolute;
  bottom: 20px;
  left: 0;
  right: 0;
  z-index: 1;
  display: flex;
  flex-wrap: wrap;
  flex-direction: row;
  justify-content: center;
  align-items: flex-from;
  align-content: center;
  gap: 4px;
}

#out-container {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  cursor: url('./wand.png'), auto;
}

.mouse-container {
  height: 100%;
  width: 100%;
}

.fire {
  vertical-align: middle;
  font-weight: 300;
  font-family: blood-scratch, simplifica, sans-serif;
  white-space: nowrap;
  position: absolute;
  left: 50%;
  top: 50%;
  transform: translate(-50%, -50%);
  user-select: none;
  z-index: -1;
}

.fire .char {
  position: absolute;
  transition: all 4000ms ease-in-out;
}

.fire .char-content {
  color: #fff;
  display: inline-block;
  text-align: center;
}

.use-flames .fire .char-content {
  filter: url(#flames);
}

@keyframes fire-animation {
  from {
    text-shadow: 0 0 2px #fefcc9,
      1px -1px 3px #feec85,
      -2px -2px 4px #ffae34,
      2px -4px 5px #ec760c,
      -2px -6px 6px #cd4606,
      0 -8px 7px #973716,
      1px -9px 8px #451b0e;
  }

  to {
    text-shadow: 0 0 2px #fefcc9,
      1px -1px 3px #fefcc9,
      -2px -2px 4px #feec85,
      2px -4px 6px #ffae34,
      -2px -5px 50px #ec760c,
      0 -8px 8px #cd4606,
      1px -9px 8px #973716;
  }
}