LSD

<div class="canvas">
  <span class="circle"></span>
  <span class="circle"></span>
  <span class="circle"></span>
  <span class="circle"></span>
  <span class="circle"></span>
  <span class="circle"></span>
  <span class="circle"></span>
  <span class="circle"></span>
  <span class="circle"></span>
  <span class="circle"></span>
  <span class="circle"></span>
  <span class="circle"></span>
  <span class="circle"></span>
  <span class="circle"></span>
  <span class="circle"></span>
  <span class="circle"></span>
  <span class="circle"></span>
  <span class="circle"></span>
  <span class="circle"></span>
  <span class="circle"></span>
  <span class="circle"></span>
  <span class="circle"></span>
  <span class="circle"></span>
  <span class="circle"></span>
  <span class="circle"></span>
  <span class="circle"></span>
  <span class="circle"></span>
  <span class="circle"></span>
  <span class="circle"></span>
  <span class="circle"></span>
  <span class="circle"></span>
  <span class="circle"></span>
  <span class="circle"></span>
  <span class="circle"></span>
  <span class="circle"></span>
  <span class="circle"></span>
  <span class="circle"></span>
  <span class="circle"></span>
  <span class="circle"></span>
  <span class="circle"></span>
  <span class="circle"></span>
  <span class="circle"></span>
  <span class="circle"></span>
  <span class="circle"></span>
  <span class="circle"></span>
  <span class="circle"></span>
  <span class="circle"></span>
  <span class="circle"></span>
  <span class="circle"></span>
  <span class="circle"></span>
  <span class="circle"></span>
  <span class="circle"></span>
  <span class="circle"></span>
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  <span class="circle"></span>
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  <span class="circle"></span>
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  <span class="circle"></span>
  <span class="circle"></span>
  <span class="circle"></span>
  <span class="circle"></span>
  <span class="circle"></span>
  <span class="circle"></span>
  <span class="circle"></span>
  <span class="circle"></span>
  <span class="circle"></span>
  <span class="circle"></span>
  <span class="circle"></span>
  <span class="circle"></span>
  <span class="circle"></span>
  <span class="circle"></span>
  <span class="circle"></span>
  <span class="circle"></span>
  <span class="circle"></span>
  <span class="circle"></span>
  <span class="circle"></span>
  <span class="circle"></span>
  <span class="circle"></span>
  <span class="circle"></span>
  <span class="circle"></span>
  <span class="circle"></span>
  <span class="circle"></span>
  <span class="circle"></span>
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  <span class="circle"></span>
  <span class="circle"></span>
  <span class="circle"></span>
  <span class="circle"></span>
  <span class="circle"></span>
</div>

:root {
  --width: 300px;
  --unit: calc(var(--width) / 30);
}

* {
  box-sizing: border-box;
}

body {
  height: 100vh;

  display: grid;
  place-items: center;
}

.canvas {
  width: var(--width);
  padding: var(--unit);

  display: grid;
  grid-template-columns: repeat(13, 1fr);
  gap: var(--unit);

  background-image: url("./canvas-sm.jpg");
  background-size: cover;
  filter: brightness(1.25);

  box-shadow: 0 0 4px 0 rgba(0, 0, 0, 0.1), 0 4px 4px 0 rgba(0, 0, 0, 0.1);
}

.circle {
  width: var(--unit);
  height: var(--unit);
  border-radius: 50%;
  background-color: yellow;
}

.circle:nth-child(1),
.circle:nth-child(127) {
  background-color: hsl(162, 56%, 44%);
}

.circle:nth-child(2) {
  background-color: hsl(197, 91%, 62%);
}

.circle:nth-child(3) {
  background-color: hsl(194, 93%, 39%);
}

.circle:nth-child(4) {
  background-color: hsl(25, 100%, 80%);
}

.circle:nth-child(5) {
  background-color: hsl(186, 20%, 63%);
}

.circle:nth-child(6) {
  background-color: hsl(9, 94%, 56%);
}

.circle:nth-child(7),
.circle:nth-child(36) {
  background-color: hsl(336, 100%, 71%);
}

.circle:nth-child(8) {
  background-color: hsl(339, 10%, 74%);
}

.circle:nth-child(9) {
  background-color: hsl(331, 96%, 48%);
}

.circle:nth-child(10) {
  background-color: hsl(59, 83%, 75%);
}

.circle:nth-child(11) {
  background-color: hsl(318, 46%, 74%);
}

.circle:nth-child(12) {
  background-color: hsl(198, 100%, 60%);
}

.circle:nth-child(13),
.circle:nth-child(18),
.circle:nth-child(86),
.circle:nth-child(126) {
  background-color: hsl(60, 100%, 80%);
}

.circle:nth-child(14) {
  background-color: hsl(360, 77%, 32%);
}

.circle:nth-child(15),
.circle:nth-child(25),
.circle:nth-child(30) {
  background-color: hsl(52, 100%, 51%);
}

.circle:nth-child(16) {
  background-color: hsl(332, 91%, 92%);
}

.circle:nth-child(17) {
  background-color: hsl(18, 69%, 29%);
}

.circle:nth-child(19) {
  background-color: hsl(157, 46%, 62%);
}

.circle:nth-child(20) {
  background-color: hsl(57, 98%, 51%);
}

.circle:nth-child(21) {
  background-color: hsl(319, 84%, 33%);
}

.circle:nth-child(22) {
  background-color: hsl(204, 69%, 18%);
}

.circle:nth-child(23) {
  background-color: hsl(39, 98%, 49%);
}

.circle:nth-child(24) {
  background-color: hsl(231, 86%, 26%);
}

.circle:nth-child(26) {
  background-color: hsl(355, 76%, 51%);
}

.circle:nth-child(27) {
  background-color: hsl(172, 14%, 69%);
}

.circle:nth-child(28) {
  background-color: hsl(331, 98%, 47%);
}

.circle:nth-child(29) {
  background-color: hsl(195, 70%, 79%);
}

.circle:nth-child(31) {
  background-color: hsl(222, 99%, 27%);
}

.circle:nth-child(32) {
  background-color: hsl(344, 88%, 87%);
}

.circle:nth-child(33) {
  background-color: hsl(150, 100%, 22%);
}

.circle:nth-child(34) {
  background-color: hsl(56, 53%, 48%);
}

.circle:nth-child(35) {
  background-color: hsl(201, 95%, 45%);
}

.circle:nth-child(36) {
  background-color: hsl(337, 95%, 77%);
}

.circle:nth-child(37) {
  background-color: hsl(5, 90%, 51%);
}

.circle:nth-child(38) {
  background-color: hsl(290, 61%, 26%);
}

.circle:nth-child(39) {
  background-color: hsl(320, 100%, 95%);
}

.circle:nth-child(40) {
  background-color: hsl(45, 92%, 45%);
}

.circle:nth-child(53) {
  background-color: hsl(327, 50%, 58%);
}

.circle:nth-child(42) {
  background-color: hsl(351, 97%, 46%);
}

.circle:nth-child(43) {
  background-color: hsl(136, 59%, 16%);
}

.circle:nth-child(44) {
  background-color: hsl(83, 68%, 45%);
}

.circle:nth-child(45) {
  background-color: hsl(337, 82%, 66%);
}

.circle:nth-child(46) {
  background-color: hsl(16, 32%, 47%);
}

.circle:nth-child(47) {
  background-color: hsl(187, 82%, 89%);
}

.circle:nth-child(48) {
  background-color: hsl(340, 99%, 48%);
}

.circle:nth-child(49) {
  background-color: hsl(138, 91%, 31%);
}

.circle:nth-child(50) {
  background-color: hsl(20, 79%, 31%);
}

.circle:nth-child(51) {
  background-color: hsl(168, 100%, 27%);
}

.circle:nth-child(52) {
  background-color: hsl(198, 94%, 49%);
}

.circle:nth-child(53) {
  background-color: hsl(57, 100%, 65%);
}

.circle:nth-child(54) {
  background-color: hsl(36, 18%, 65%);
}

.circle:nth-child(55) {
  background-color: hsl(205, 95%, 35%);
}

.circle:nth-child(56) {
  background-color: hsl(205, 97%, 45%);
}

.circle:nth-child(57) {
  background-color: hsl(20, 100%, 91%);
}

.circle:nth-child(58) {
  background-color: hsl(144, 100%, 16%);
}

.circle:nth-child(59) {
  background-color: hsl(5, 94%, 60%);
}

.circle:nth-child(60) {
  background-color: hsl(15, 100%, 87%);
}

.circle:nth-child(61) {
  background-color: hsl(60, 100%, 72%);
}

.circle:nth-child(62) {
  background-color: hsl(88, 69%, 41%);
}

.circle:nth-child(63) {
  background-color: hsl(26, 4%, 63%);
}

.circle:nth-child(64) {
  background-color: hsl(60, 100%, 72%);
}

.circle:nth-child(65) {
  background-color: hsl(196, 72%, 35%);
}

.circle:nth-child(66) {
  background-color: hsl(23, 99%, 51%);
}

.circle:nth-child(67) {
  background-color: hsl(187, 52%, 69%);
}

.circle:nth-child(68) {
  background-color: hsl(35, 99%, 63%);
}

.circle:nth-child(69) {
  background-color: hsl(192, 95%, 84%);
}

.circle:nth-child(70) {
  background-color: hsl(59, 100%, 84%);
}

.circle:nth-child(71) {
  background-color: hsl(352, 92%, 52%);
}

.circle:nth-child(72) {
  background-color: hsl(179, 91%, 30%);
  justify-self: right;
}

.circle:nth-child(73) {
  background-color: hsl(205, 97%, 14%);
}

.circle:nth-child(74) {
  background-color: hsl(334, 98%, 47%);
}

.circle:nth-child(75) {
  background-color: hsl(359, 58%, 25%);
}

.circle:nth-child(76) {
  background-color: hsl(10, 99%, 55%);
}

.circle:nth-child(77) {
  background-color: hsl(28, 100%, 96%);
}

.circle:nth-child(78) {
  background-color: hsl(35, 100%, 56%);
}

.circle:nth-child(79) {
  background-color: hsl(33, 81%, 32%);
}

.circle:nth-child(80) {
  background-color: hsl(114, 55%, 41%);
}

.circle:nth-child(81) {
  background-color: hsl(31, 45%, 70%);
}

.circle:nth-child(82) {
  background-color: hsl(47, 60%, 47%);
}

.circle:nth-child(83) {
  background-color: hsl(60, 97%, 51%);
}

.circle:nth-child(84) {
  background-color: hsl(139, 38%, 60%);
}

.circle:nth-child(85) {
  background-color: hsl(50, 63%, 66%);
}

.circle:nth-child(86) {
  background-color: hsl(62, 100%, 92%);
}

.circle:nth-child(87) {
  background-color: hsl(188, 53%, 54%);
}

.circle:nth-child(88) {
  background-color: hsl(99, 39%, 57%);
}

.circle:nth-child(89) {
  background-color: hsl(202, 63%, 69%);
}

.circle:nth-child(90) {
  background-color: hsl(48, 82%, 30%);
}

.circle:nth-child(91) {
  background-color: hsl(56, 98%, 66%);
}

.circle:nth-child(92) {
  background-color: hsl(42, 100%, 81%);
}

.circle:nth-child(93) {
  background-color: hsl(88, 82%, 49%);
}

.circle:nth-child(94) {
  background-color: hsl(22, 98%, 54%);
}

.circle:nth-child(95) {
  background-color: hsl(199, 29%, 49%);
}

.circle:nth-child(96) {
  background-color: hsl(304, 69%, 27%);
}

.circle:nth-child(97) {
  background-color: hsl(334, 93%, 47%);
}

.circle:nth-child(98) {
  background-color: hsl(193, 100%, 85%);
}

.circle:nth-child(99) {
  background-color: hsl(229, 98%, 20%);
}

.circle:nth-child(100) {
  background-color: hsl(0, 0%, 82%);
}

.circle:nth-child(101) {
  background-color: hsl(19, 96%, 57%);
}

.circle:nth-child(102) {
  background-color: hsl(333, 100%, 82%);
}

.circle:nth-child(103) {
  background-color: hsl(172, 100%, 9%);
}

.circle:nth-child(104) {
  background-color: hsl(342, 94%, 46%);
}

.circle:nth-child(105) {
  background-color: hsl(208, 95%, 39%);
}

.circle:nth-child(106) {
  background-color: hsl(21, 63%, 36%);
}

.circle:nth-child(107) {
  background-color: hsl(60, 100%, 89%);
}

.circle:nth-child(108) {
  background-color: hsl(191, 68%, 68%);
}

.circle:nth-child(109) {
  background-color: hsl(233, 33%, 67%);
}

.circle:nth-child(110) {
  background-color: hsl(66, 78%, 46%);
}

.circle:nth-child(111) {
  background-color: hsl(66, 78%, 46%);
}

.circle:nth-child(112) {
  background-color: hsl(3, 82%, 51%);
}

.circle:nth-child(113) {
  background-color: hsl(48, 96%, 73%);
}

.circle:nth-child(114) {
  background-color: hsl(35, 97%, 46%);
}

.circle:nth-child(115) {
  background-color: hsl(192, 96%, 91%);
}

.circle:nth-child(116) {
  background-color: hsl(68, 70%, 48%);
}

.circle:nth-child(117) {
  background-color: hsl(51, 100%, 90%);
}

.circle:nth-child(118) {
  background-color: hsl(348, 84%, 45%);
}

.circle:nth-child(119) {
  background-color: hsl(198, 83%, 68%);
}

.circle:nth-child(120) {
  background-color: hsl(59, 100%, 63%);
}

.circle:nth-child(121) {
  background-color: hsl(272, 71%, 24%);
}

.circle:nth-child(122) {
  background-color: hsl(64, 86%, 78%);
}

.circle:nth-child(123) {
  background-color: hsl(191, 91%, 23%);
}

.circle:nth-child(124) {
  background-color: hsl(359, 80%, 35%);
}

.circle:nth-child(124) {
  background-color: hsl(203, 87%, 36%);
}

.circle:nth-child(125) {
  background-color: hsl(46, 100%, 93%);
}

.circle:nth-child(126) {
  background-color: hsl(115, 58%, 40%);
}

.circle:nth-child(127) {
  background-color: hsl(55, 99%, 51%);
}

.circle:nth-child(128) {
  background-color: hsl(41, 95%, 83%);
}

.circle:nth-child(129) {
  background-color: hsl(29, 32%, 58%);
}

.circle:nth-child(130) {
  background-color: hsl(29, 37%, 63%);
}

.circle:nth-child(131) {
  background-color: hsl(318, 47%, 40%);
}

.circle:nth-child(132) {
  background-color: hsl(334, 100%, 73%);
}

.circle:nth-child(133) {
  background-color: hsl(31, 98%, 53%);
}

.circle:nth-child(134) {
  background-color: hsl(190, 100%, 92%);
}

.circle:nth-child(135) {
  background-color: hsl(343, 83%, 43%);
}

.circle:nth-child(136) {
  background-color: hsl(355, 99%, 52%);
}

.circle:nth-child(137) {
  background-color: hsl(54, 94%, 51%);
}

.circle:nth-child(138) {
  background-color: hsl(59, 97%, 54%);
}

.circle:nth-child(139) {
  background-color: hsl(319, 93%, 30%);
}

.circle:nth-child(140) {
  background-color: hsl(206, 93%, 43%);
}

.circle:nth-child(141) {
  background-color: hsl(177, 100%, 96%);
}

.circle:nth-child(142) {
  background-color: hsl(216, 100%, 27%);
}

.circle:nth-child(143) {
  background-color: hsl(339, 72%, 71%);
}

.circle:nth-of-type(odd) {
  animation: blend 6s infinite;
}

.circle:nth-of-type(even) {
  animation: blacken 6s infinite;
}

@keyframes blend {
  to {
    filter: blur(20px);
    transform: translateX(10%);
  }
}

@keyframes blacken {
  to {
    background-color: hsl(0, 0%, 0%);
  }
}

@keyframes whiten {
  to {
    background-color: hsl(0, 0%, 90%);
  }
}

@media only screen and (min-width: 800px) {
  :root {
    --width: 600px;
  }
}

@media only screen and (min-width: 1200px) {
  :root {
    --width: 1000px;
  }
}