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add new features in the background #1022

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102 changes: 101 additions & 1 deletion Diwali-Fireworks/index.html
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Original file line number Diff line number Diff line change
Expand Up @@ -192,6 +192,98 @@
.firework{bottom:8vh}
.ground{height:22vh}
}
/* =========================
Upper Night Sky Enhancement
========================= */

/* soft cosmic glow in upper sky */
.sky-glow{
position:fixed;
top:0;
left:0;
right:0;
height:55vh;
z-index:0;
pointer-events:none;
background:
radial-gradient(800px 400px at 50% 10%, rgba(120,80,255,0.12), transparent 60%),
radial-gradient(600px 300px at 20% 20%, rgba(255,120,80,0.08), transparent 65%),
radial-gradient(500px 260px at 80% 25%, rgba(120,200,255,0.06), transparent 70%);
mix-blend-mode:screen;
}

/* denser, brighter stars (top focused) */
.stars{
background:
radial-gradient(circle at 5% 10%, #fff 0.7px, transparent 1.2px),
radial-gradient(circle at 15% 22%, #fff 0.6px, transparent 1.1px),
radial-gradient(circle at 28% 14%, #fff 0.8px, transparent 1.3px),
radial-gradient(circle at 42% 18%, #fff 0.6px, transparent 1.1px),
radial-gradient(circle at 55% 8%, #fff 0.9px, transparent 1.4px),
radial-gradient(circle at 68% 20%, #fff 0.7px, transparent 1.2px),
radial-gradient(circle at 82% 12%, #fff 0.8px, transparent 1.3px),
radial-gradient(circle at 92% 26%, #fff 0.6px, transparent 1.1px);
animation:twinkle 4.5s ease-in-out infinite;
}

/* =========================
Ambient Spark Bursts (Top)
========================= */

.ambient-sparks{
position:fixed;
top:0;
left:0;
width:100%;
height:50vh;
z-index:1;
pointer-events:none;
}

.ambient-sparks span{
position:absolute;
top:var(--y);
left:var(--x);
width:4px;
height:4px;
border-radius:50%;
background:radial-gradient(circle, #fff, rgba(255,200,120,0.8), transparent 70%);
filter:blur(0.6px);
opacity:0;
animation:sparkPop 3.5s ease-out infinite;
animation-delay:var(--d);
mix-blend-mode:screen;
}

/* random distribution */
.ambient-sparks span:nth-child(1){--x:20%;--y:18%;--d:0s}
.ambient-sparks span:nth-child(2){--x:35%;--y:12%;--d:.8s}
.ambient-sparks span:nth-child(3){--x:50%;--y:20%;--d:1.6s}
.ambient-sparks span:nth-child(4){--x:65%;--y:15%;--d:2.4s}
.ambient-sparks span:nth-child(5){--x:80%;--y:22%;--d:3.2s}
.ambient-sparks span:nth-child(6){--x:10%;--y:30%;--d:1.2s}
.ambient-sparks span:nth-child(7){--x:28%;--y:34%;--d:2.1s}
.ambient-sparks span:nth-child(8){--x:55%;--y:28%;--d:0.9s}
.ambient-sparks span:nth-child(9){--x:72%;--y:32%;--d:1.8s}
.ambient-sparks span:nth-child(10){--x:90%;--y:26%;--d:2.7s}

@keyframes sparkPop{
0%{
transform:scale(0.2);
opacity:0;
}
20%{
opacity:1;
}
60%{
transform:scale(2.2);
opacity:0.9;
}
100%{
transform:scale(3.5);
opacity:0;
}
}

</style>
</head>
Expand All @@ -207,6 +299,14 @@ <h1>Happy Diwali ✨</h1>

<div class="sky" aria-hidden="true">
<div class="stars" aria-hidden="true"></div>
<!-- enhanced night sky glow -->
<div class="sky-glow"></div>

<!-- upper ambient spark bursts -->
<div class="ambient-sparks">
<span></span><span></span><span></span><span></span><span></span>
<span></span><span></span><span></span><span></span><span></span>
</div>

<!-- each firework contains many <i> sparks with --i for angle -->
<!-- f1 (warm golden) -->
Expand Down Expand Up @@ -288,4 +388,4 @@ <h1>Happy Diwali ✨</h1>
<div class="ground" aria-hidden="true"></div>
</div>
</body>
</html>
</html>