@import url("https://fonts.googleapis.com/css2?family=Noto+Sans+SC:wght@400;700&display=swap");

body {
  margin: 0;
  padding: 0;
  font-family: "Noto Sans SC", sans-serif;
  background-color: black;
  color: white;
  display: flex;
  flex-direction: column;
  min-height: 100vh;
}

.container {
  flex-grow: 1;
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  padding: 20px;
}

.datetime {
  position: absolute;
  top: 20px;
  left: 20px;
  font-size: 18px;
}

.title-container {
  display: flex;
  align-items: center;
  margin-bottom: 30px;
}

h1 {
  font-size: 60px;
  color: red;
  margin: 0 20px;
}

button {
  background-color: #3b82f6;
  color: white;
  border: none;
  padding: 15px 30px;
  font-size: 18px;
  margin: 10px;
  cursor: pointer;
  font-family: "Noto Sans SC", sans-serif;
}

button:hover {
  background-color: #2563eb;
}

button:first-of-type {
  background-color: #ef4444;
}

button:first-of-type:hover {
  background-color: #dc2626;
}

footer {
  text-align: center;
  padding: 20px;
  font-size: 14px;
}

.firework {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background-color: yellow;
  position: relative;
  animation: firework 2s infinite;
}

@keyframes firework {
  0% {
    transform: scale(0);
    opacity: 1;
  }
  50% {
    transform: scale(20);
    opacity: 0.5;
  }
  100% {
    transform: scale(40);
    opacity: 0;
  }
}

@keyframes scale {
  0% {
    transform: scale(1);
  }
  50% {
    transform: scale(1.1);
  }
  100% {
    transform: scale(1);
  }
}

.new-year-text {
  position: fixed;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  font-size: 48px;
  color: #ffd700;
  text-shadow: 0 0 10px #ff0000;
  animation: fadeInOut 3s ease-in-out;
  z-index: 1000;
}

@keyframes fadeInOut {
  0% {
    opacity: 0;
    transform: translate(-50%, -50%) scale(0.5);
  }
  50% {
    opacity: 1;
    transform: translate(-50%, -50%) scale(1.2);
  }
  100% {
    opacity: 0;
    transform: translate(-50%, -50%) scale(1);
  }
}