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seperate single seasonals/Seasonals-Fireworks/fireworks.css

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+.fireworks {
+  position: fixed;
+  overflow: hidden;
+  top: 0;
+  left: 0;
+  width: 100%;
+  height: 100%;
+  pointer-events: none;
+  z-index: 10;
+}
+
+.rocket-trail {
+  position: absolute;
+  left: var(--trailX);
+  top: var(--trailStartY);
+  width: 4px;
+
+  /* activate the following for rocket trail */
+  height: 60px;
+  background: linear-gradient(to bottom, rgba(255, 255, 255, 1), rgba(255, 255, 255, 0));
+  filter: blur(2px);
+
+  /* activate the following for rocket trail as a point */
+  /*height: 4px;*/
+  /*background: white;*/
+  /*border-radius: 50%;
+  box-shadow: 0 0 8px 2px white;*/
+
+  animation: rocket-trail-animation 1s linear forwards;
+}
+
+@keyframes rocket-trail-animation {
+  0% {
+    transform: translateY(0);
+    opacity: 1;
+  }
+  100% {
+    transform: translateY(calc(var(--trailEndY) - var(--trailStartY)));
+    opacity: 0;
+  }
+}
+
+/* Animation for the particles */
+@keyframes fireworkParticle {
+  0% {
+    opacity: 1;
+    transform: translate(0, 0);
+  }
+  100% {
+    opacity: 0;
+    transform: translate(var(--x), var(--y));
+  }
+}
+
+.firework {
+  position: absolute;
+  width: 5px;
+  height: 5px;
+  background: white;
+  border-radius: 50%;
+  animation: fireworkParticle 1.5s ease-out forwards;
+  filter: blur(1px);
+}