body {
  font-family: Arial, sans-serif;
  text-align: center;
  background: #001f3f;
  color: #fff;
  margin-top: 50px;
  overflow: hidden; /* keep snow inside screen */
}

h1 {
  margin-bottom: 20px;
    font-size: 5em;
}

#countdown {
  font-size: 2em;
  margin-bottom: 40px;
}

/* ❄️ Snowflakes */
.snowflakes {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  pointer-events: none; /* let clicks pass through */
}

.snowflake {
  position: absolute;
  top: -10px;
  color: white;
  font-size: 2em;
  animation: fall linear infinite;
}

/* Different positions and speeds */
.snowflake:nth-child(1) {
  left: 10%;
  animation-duration: 10s;
}
.snowflake:nth-child(2) {
  left: 30%;
  animation-duration: 12s;
}
.snowflake:nth-child(3) {
  left: 50%;
  animation-duration: 8s;
}
.snowflake:nth-child(4) {
  left: 70%;
  animation-duration: 14s;
}
.snowflake:nth-child(5) {
  left: 90%;
  animation-duration: 11s;
}
.snowflake:nth-child(6) {
  left: 20%;
  animation-duration: 9s;
}

@keyframes fall {
  0% { transform: translateY(0); opacity: 1; }
  100% { transform: translateY(100vh); opacity: 0.7; }
}