styles.css

@import url("https://fonts.googleapis.com/css?family=Indie+Flower");
@import url("https://fonts.googleapis.com/css?family=Amatic+SC");
@font-face {
    font-family: 'Merry'; 
    src: url('./Merry.ttf') format('truetype'); 
    font-weight: normal; 
    font-style: normal; 
}

body {
  font-family: Arial, sans-serif;
  background-image: url("https://github.com/Panbap/datapanbap/blob/main/image/tres.png?raw=true");
  background-size: cover;
  background-position: center center;
  background-attachment: fixed;
  display: flex;
  justify-content: center;
  align-items: center;
  height: 100vh;
  margin: 0;
  overflow: hidden;
  flex-direction: column;
  position: relative;
}

@media (max-width: 768px) {
  html,
  body {
    overflow: hidden;
    height: 100%;
  }
}

.christmas-message {
  font-size: 80px;
  font-family: "Merry";
  color: rgb(241, 60, 60);
  font-weight: bold;
  text-align: center;
  position: fixed;
  top: 15px;
  left: 50%;
  transform: translateX(-50%);
  z-index: 9999;
  animation: glow 1.5s ease-in-out infinite;
  text-shadow: 2px 2px 5px rgba(0, 0, 0, 0.7);
  transition: opacity 1s, visibility 1s;
  display: block;
}

@keyframes glow {
  20% {
    text-shadow: 0 0 5px #f7b3b3, 0 0 10px #f7b3b3, 0 0 20px #f7b3b3;
  }
  50% {
    text-shadow: 0 0 10px #f7b3b3, 0 0 15px #f7b3b3, 0 0 30px #ff0000;
  }
  80% {
    text-shadow: 0 0 5px #f7b3b3, 0 0 10px #f7b3b3, 0 0 20px #f7b3b3;
  }
}

.tree-container {
  position: relative;
  display: inline-block;
  text-align: center;
  margin-bottom: 0px;
  margin-top: 30px;
}

.tree-icon {
  width: 100px;
  height: auto;
  display: block;
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
}

@keyframes shake {
  0% {
    transform: translate(-50%, -50%) rotate(0deg);
  }
  25% {
    transform: translate(-50%, -50%) rotate(-5deg);
  }
  50% {
    transform: translate(-50%, -50%) rotate(0deg);
  }
  75% {
    transform: translate(-50%, -50%) rotate(5deg);
  }
  100% {
    transform: translate(-50%, -50%) rotate(0deg);
  }
}

.tree-icon.shake-animation {
  animation: shake 0.1s ease-in-out 3;
}

@media (min-width: 1024px) {
  .tree-icon {
    width: 20vw;
    max-width: 600px;
  }
}

@media (max-width: 600px) {
  .tree-icon {
    width: 50vw;
    max-width: 400px;
  }
}

.container {
  text-align: center;
  position: absolute;
  bottom: 40px;
  width: 100%;
  display: flex;
  justify-content: center;
}

#showButton {
  background-color: #f56060;
  color: white;
  font-family:'Times New Roman', Times, serif;
  font-size: 16px;
  padding: 15px 32px;
  border: none;
  border-radius: 8px;
  cursor: pointer;
  box-shadow: 0 4px #ffffff;
  transition: all 0.3s ease;
  opacity: 0;
  visibility: hidden;
  animation: showButton 5s forwards;
}
@keyframes showButton {
  0% {
    opacity: 0;
    visibility: hidden;
  }
  100% {
    opacity: 1;
    visibility: visible;
  }
}

#showButton:hover {
  background-color: #e2475c;
}

#showButton:active {
  box-shadow: 0 2px #666;
  transform: translateY(4px);
}

@media (max-width: 600px) {
  #showButton {
    bottom: 60px;
  }
}
.hidden {
  display: none;
}

#guideInfo.show {
  opacity: 1;
  visibility: visible;
  transition: opacity 0.5s ease, visibility 0s 0s;
}

#guideInfo h2,
#guideInfo p {
  margin: 10px 0;
}

.close-btn {
  position: fixed;
  top: 0;
  right: 0;
  font-size: 24px;
  background-color: transparent;
  border: none;
  color: black;
  cursor: pointer;
  z-index: 1000;
}

.close-btn:hover {
  color: red;
}

.snowflakes {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  pointer-events: none;
  z-index: 9999;
}

.snowflake {
  position: absolute;
  top: -10px;
  background-color: #ffffff;
  border-radius: 50%;
  opacity: 0;
  animation: snow 10s linear infinite;
  box-shadow: 0 0 3px #ffffff, 0 0 1px #ffffff;
}

@keyframes snow {
  0% {
    top: -10px;
    left: calc(100% * var(--random-x));
    opacity: 1;
  }
  100% {
    top: 100vh;
    left: calc(100% * var(--random-x));
    opacity: 0;
  }
}
a {
  position: fixed;
  bottom: 0;
  width: 100%;
  text-align: center;
  padding: 10px 0;
  font-family:'Times New Roman', Times, serif;
  font-size: 12px;
  color: #ffffff;
}
h4 {
  font-size: 26px;
  line-height: 1px;
  font-family: "Amatic SC", cursive !important;
}

.color1 {
  color: #1bbc9b;
}

.color2 {
  color: #c0392b;
}

.card {
  color: #013243;
  position: absolute;
  font-family: 'Times New Roman', Times, serif;
  letter-spacing: 1px;
  top: 50%;
  left: 50%;
  width: 300px;
  height: 400px;
  background: #e0e1dc;
  transform-style: preserve-3d;
  transform: translate(-50%, -50%) perspective(2000px);
  box-shadow: inset 300px 0 50px rgba(0, 0, 0, 0.5),
    20px 0 60px rgba(0, 0, 0, 0.5);
  transition: 1s;
}

.card:hover {
  transform: translate(-50%, -50%) perspective(2000px) rotate(15deg) scale(1.2);
  box-shadow: inset 20px 0 50px rgba(0, 0, 0, 0.5),
    0 10px 100px rgba(0, 0, 0, 0.5);
}

.card:before {
  content: "";
  position: absolute;
  top: -5px;
  left: 0;
  width: 100%;
  height: 5px;
  background: #bac1ba;
  transform-origin: bottom;
  transform: skewX(-45deg);
}

.card:after {
  content: "";
  position: absolute;
  top: 0;
  right: -5px;
  width: 5px;
  height: 100%;
  background: #92a29c;
  transform-origin: left;
  transform: skewY(-45deg);
}

.card .imgBox {
  width: 100%;
  height: 100%;
  position: relative;
  transform-origin: left;
  transition: 0.7s;
}

.card .bark {
  position: absolute;
  background: #e0e1dc;
  width: 100%;
  height: 100%;
  opacity: 0;
  transition: 0.7s;
}

.card .imgBox img {
  min-width: 250px;
  max-height: 400px;
}

.card:hover .imgBox {
  transform: rotateY(-135deg);
}

.card:hover .bark {
  opacity: 1;
  transition: 0.6s;
  box-shadow: 300px 200px 100px rgba(0, 0, 0, 0.4) inset;
}

.card .details {
  position: absolute;
  top: 0;
  left: 0;
  box-sizing: border-box;
  padding: 0 0 0 10px;
  z-index: -1;
  margin-top: 70px;
}

.card .details p {
  font-size: 15px;
  line-height: 5px;
  transform: rotate(-10deg);
  padding: 0 0 0 20px;
}

.card .details h4 {
  text-align: center;
}

.text-right {
  text-align: right;
}