style.css

@font-face {
  font-family: neon;
  src: url(./fonts/NeonLights-22d.ttf);
}
* {
  padding: 0;
  margin: 0;
  -webkit-box-sizing: border-box;
  -moz-box-sizing: border-box;
  box-sizing: border-box;
}
body {
  display: flex;
  flex-direction: column;
  align-items: center;
  font-family: Impact, Haettenschweiler, "Arial Narrow Bold", sans-serif;
  font-size: 20px;
}
body > * {
  padding: 40px;
  width: 100%;
}
.footer {
  display: flex;
  flex-direction: column;
  gap: 15px;
  align-items: center;
  justify-content: center;
  color: white;
  font-size: 16px;
  font-family: "Segoe UI", Tahoma, Geneva, Verdana, sans-serif;
  background-color: rgb(0, 128, 0);
}
.footer a {
  color: white;
}
.page {
  height: 100vh;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: space-between;
  background-image: url(./pictures/village.avif);
  background-size: cover;
}
.ref,
.ref a {
  letter-spacing: 0.2rem;
  color: rgb(0, 128, 0);
  text-shadow: -1px -1px 1px white, 1px 1px 1px white, 1px -1px 1px white,
    -1px 1px 1px white, 0 1px 1px white, 1px 0 1px white;
  font-family: "Segoe UI", Tahoma, Geneva, Verdana, sans-serif;
}
.heading {
  padding: 30px 0 0;
  font-family: "neon";
  font-size: 80px;
  color: white;
  text-shadow: 0 0 5px black;
}
.turn {
  display: flex;
  align-items: flex-end;
  gap: 10px;
  font-size: 25px;
  color: white;
  text-shadow: 0 0 5px black;
  font-family: "Segoe UI", Tahoma, Geneva, Verdana, sans-serif;
}
.turn img {
  width: 60px;
  height: 60px;
}
.game-board {
  width: 500px;
  height: 500px;
  display: grid;
  gap: 3px;
  grid-template: repeat(3, 1fr) / repeat(3, 1fr);
  place-items: stretch;
}
.game-page {
  display: none;
  height: 650px;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 30px;
}
.welcome-page {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  height: 650px;
}
.game-end {
  background-color: white;
  border: yellowgreen solid 7px;
  border-radius: 20px;
  font-size: 28px;
  position: absolute;
  display: none;
  flex-direction: column;
  justify-content: space-evenly;
  align-items: center;
  padding: 20px;
  width: 300px;
  height: 300px;
  top: calc(50vh - 150px);
  left: calc(50vw - 150px);
  color: yellowgreen;
}
.game-end span {
  position: absolute;
  right: 20px;
  top: 20px;
  width: 25px;
  height: 25px;
  background-size: contain;
  background-image: url("./icons/cancel.png");
}
.game-end .winner-icon {
  width: 100px;
  height: 100px;
  background-size: contain;
}
.new-game {
  padding: 7px 30px;
  border: rgb(0, 128, 0) 2px solid;
  border-radius: 10px;
  background-color: white;
  font-size: 24px;
  font-family: Impact, Haettenschweiler, "Arial Narrow Bold", sans-serif;
  color: rgb(0, 128, 0);
}
.play-button {
  background-color: rgb(0, 128, 0);
  border: none;
  font-family: Impact, Haettenschweiler, "Arial Narrow Bold", sans-serif;
  color: white;
  border-radius: 10px;
  font-size: 50px;
  padding: 30px 60px;
}
.play-button:hover {
  cursor: pointer;
}
.box {
  font-size: 50px;
  background-color: rgba(0, 128, 0, 0.411);
  display: flex;
  justify-content: center;
  align-items: center;
}
.box img {
  width: 80%;
  height: 80%;
}
.box:hover {
  background-color: rgba(0, 128, 0, 0.651);
}

@media screen and (max-width: 700px), (max-height: 800px) {
  .game-board {
    width: 300px;
    height: 300px;
  }
  .game-page {
    height: 500px;
  }
  .welcome-page {
    height: 500px;
  }
  .heading {
    font-size: 60px;
  }
}
/* SNOWFLAKES ARE FROM https://codepen.io/codeconvey*/
/* customizable snowflake styling */
.snowflake {
  color: #fff;
  font-size: 1em;
  font-family: Arial;
  text-shadow: 0 0 1px #000;
}

@-webkit-keyframes snowflakes-fall {
  0% {
    top: -10%;
  }
  100% {
    top: 100%;
  }
}
@-webkit-keyframes snowflakes-shake {
  0% {
    -webkit-transform: translateX(0px);
    transform: translateX(0px);
  }
  50% {
    -webkit-transform: translateX(80px);
    transform: translateX(80px);
  }
  100% {
    -webkit-transform: translateX(0px);
    transform: translateX(0px);
  }
}
@keyframes snowflakes-fall {
  0% {
    top: -10%;
  }
  100% {
    top: 100%;
  }
}
@keyframes snowflakes-shake {
  0% {
    transform: translateX(0px);
  }
  50% {
    transform: translateX(80px);
  }
  100% {
    transform: translateX(0px);
  }
}
.snowflake {
  position: fixed;
  font-size: 30px;
  top: -10%;
  z-index: 9999;
  -webkit-user-select: none;
  -moz-user-select: none;
  -ms-user-select: none;
  user-select: none;
  cursor: default;
  -webkit-animation-name: snowflakes-fall, snowflakes-shake;
  -webkit-animation-duration: 10s, 3s;
  -webkit-animation-timing-function: linear, ease-in-out;
  -webkit-animation-iteration-count: infinite, infinite;
  -webkit-animation-play-state: running, running;
  animation-name: snowflakes-fall, snowflakes-shake;
  animation-duration: 10s, 3s;
  animation-timing-function: linear, ease-in-out;
  animation-iteration-count: infinite, infinite;
  animation-play-state: running, running;
}
.snowflake:nth-of-type(0) {
  left: 1%;
  -webkit-animation-delay: 0s, 0s;
  animation-delay: 0s, 0s;
}
.snowflake:nth-of-type(1) {
  left: 10%;
  -webkit-animation-delay: 1s, 1s;
  animation-delay: 1s, 1s;
}
.snowflake:nth-of-type(2) {
  left: 20%;
  -webkit-animation-delay: 6s, 0.5s;
  animation-delay: 6s, 0.5s;
}
.snowflake:nth-of-type(3) {
  left: 30%;
  -webkit-animation-delay: 4s, 2s;
  animation-delay: 4s, 2s;
}
.snowflake:nth-of-type(4) {
  left: 40%;
  -webkit-animation-delay: 2s, 2s;
  animation-delay: 2s, 2s;
}
.snowflake:nth-of-type(5) {
  left: 50%;
  -webkit-animation-delay: 8s, 3s;
  animation-delay: 8s, 3s;
}
.snowflake:nth-of-type(6) {
  left: 60%;
  -webkit-animation-delay: 6s, 2s;
  animation-delay: 6s, 2s;
}
.snowflake:nth-of-type(7) {
  left: 70%;
  -webkit-animation-delay: 2.5s, 1s;
  animation-delay: 2.5s, 1s;
}
.snowflake:nth-of-type(8) {
  left: 80%;
  -webkit-animation-delay: 1s, 0s;
  animation-delay: 1s, 0s;
}
.snowflake:nth-of-type(9) {
  left: 90%;
  -webkit-animation-delay: 3s, 1.5s;
  animation-delay: 3s, 1.5s;
}