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Flower wave

A Pen By Bali Balo Pro

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HTML

            
              .container
	- 30.times do
		.circle
			- 6.times do
				.petal
				
-# %svg
-# 	%defs
-# 		%filter#drop-shadow
-# 			%feMorphology(operator="dilate" radius="1" in="SourceAlpha" result="dilated")
-# 			%feColorMatrix(in="dilated" type="matrix" values="1 0 0 0 1 0 1 0 0 1 0 0 1 0 1 0 0 0 1 0" result="colored")
-# 			%feMerge
-# 				%feMergeNode
-# 				%feMergeNode(in="SourceGraphic")
!

CSS

            
              $bg: #51164a;
$border: #fff;
$count: 30;
$duration: 1.5s;
$spacing: .04em;
$angle: 60deg;

html, body { height: 100%; }
body {
	overflow: hidden;
	background: $bg;
}

@keyframes container {
	from { transform: rotateX($angle) rotate(0deg) translateZ($count * $spacing / -2); }
	to { transform: rotateX($angle) rotate(60deg) translateZ($count * $spacing / -2); }
}
.container {
	position: absolute;
	top: 50%; left: 50%;
	width: 0; height: 0;
	font-size: 200px;
	animation: container $duration linear infinite;
	transform-style: preserve-3d;
}

.circle {
	position: absolute;
	top: 0; left: 0;
	width: 1em; height: 1em;
	margin: -.5em 0 0 -.5em;
	background: $bg;
	border-radius: 50%;
	// filter: drop-shadow(1px 0 0 $border)
	// 	drop-shadow(-1px 0 0 $border)
	// 	drop-shadow(0 1px 0 $border)
	// 	drop-shadow(0 -1px 0 $border);
	// filter: url(#drop-shadow);
	filter: drop-shadow(0 0 1px $border) drop-shadow(0 0 1px $border); // Best performance it seems
	.petal {
		background: inherit;
		position: absolute;
		top: 50%; left: 50%;
		width: .55em; height: .55em;
		// border: 1px solid #000;
		border-radius: 50%;
		@for $i from 0 to 6 {
			@keyframes p#{$i} {
				from, 16.66% { transform: translate(-50%, -50%) rotate($i * 60deg) translateX(.35em) scaleX(.4); }
				to { transform: translate(-50%, -50%) rotate($i * 60deg) translateX(.35em) scaleX(.9); }
			}
			&:nth-child(#{$i + 1}) {
				animation: p#{$i} $duration/2 ease-in-out alternate infinite;
			}
		}
	}
	@for $i from 0 to $count {
		&:nth-child(#{$i + 1}) {
			transform: translateZ($spacing * $i) rotate($i * 120deg / $count);
			.petal { animation-delay: -1 * $i * $duration / $count; }
		}
	}
}
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