Exploration of pulsing glow effects for a banner animation.
A Pen by Kellie Kowalski on CodePen.
Created
May 30, 2025 20:22
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glowing stuff
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| <div class="glow"></div> | |
| <div class="orb"> | |
| <div class="shine"></div> | |
| <div class="light"></div> | |
| </div> |
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| body { | |
| margin: 0; | |
| padding: 0; | |
| display: flex; | |
| align-items: center; | |
| justify-content: center; | |
| min-height: 100vh; | |
| background: #2D353F; | |
| } | |
| /* diamond shape */ | |
| .glow { | |
| position: relative; | |
| width: 48px; | |
| height: 48px; | |
| transform: rotate(45deg); | |
| background: #C0FFE4; | |
| box-shadow: 1px 1px 0 #1D8758, 0 0 20px 5px #C0FFE4, inset 2px 2px 0 #D3FFEC; | |
| animation: glow 2s infinite ease; | |
| } | |
| .glow:before, | |
| .glow:after { | |
| content: ''; | |
| display: block; | |
| position: absolute; | |
| } | |
| .glow:before { | |
| width: 22px; | |
| height: 22px; | |
| top: 11px; | |
| left: 11px; | |
| background: rgba(255,255,255,0.25); | |
| border: 2px solid rgba(255,255,255,0.5); | |
| box-shadow: 0 0 2px 3px #B3F6D9; | |
| box-shadow: 1px 1px 0 #A2E6C9, 0 0 20px 5px #C0FFE4, inset 2px 2px 0 #D3FFEC; | |
| } | |
| .glow:after { | |
| left: 0; | |
| width: 4px; | |
| height: 48px; | |
| background: #fff; | |
| z-index: 5; | |
| animation: sheen 5s infinite; | |
| } | |
| /* animates box shadow glow effect */ | |
| @keyframes glow { | |
| 0%,100% { | |
| box-shadow: 1px 1px #1D8758, 0 0 20px 5px #8FFFCF, inset 2px 2px #D3FFEC; | |
| } | |
| 50% { | |
| box-shadow: 1px 1px #1D8758, 0 0 16px 8px #8FFFCF, inset 2px 2px #D3FFEC; | |
| } | |
| } | |
| /* animates light across diamond */ | |
| @keyframes sheen { | |
| 0%,100% { | |
| left: 0; | |
| opacity: 0; | |
| } | |
| 1% { | |
| opacity: 1; | |
| } | |
| 10% { | |
| left: calc(100% - 4px); | |
| } | |
| 11%,98% { | |
| left: 100%; | |
| opacity: 0; | |
| } | |
| } | |
| /* glass orb */ | |
| .orb { | |
| position: relative; | |
| width: 48px; | |
| height: 48px; | |
| border-radius: 50%; | |
| margin: 0 5em; | |
| background: #C0FFE4; | |
| background-image: radial-gradient(farthest-corner at 34px 14px, #A2E6C9 25%, #1D8758 35%, #D3FFEC 100%); | |
| box-shadow: 0 0 20px 5px #C0FFE4; | |
| animation: orb 1.8s infinite; | |
| } | |
| .orb:before { | |
| content: ''; | |
| display: block; | |
| position: absolute; | |
| width: 44px; | |
| height: 44px; | |
| top: 2px; | |
| left: 2px; | |
| background-image: radial-gradient(farthest-corner at 14px 14px, #fff 15%, #C0FFE4 50%, rgba(192,255,228,0) 100%); | |
| border-radius: 50%; | |
| } | |
| /* star shaped shine pattern */ | |
| .shine { | |
| position: absolute; | |
| top: 3px; | |
| left: 6px; | |
| width: 1px; | |
| height: 16px; | |
| background: #fff; | |
| transform: rotate(15deg); | |
| box-shadow: 0 0 8px rgba(255,255,255,0.75); | |
| animation: shine 10s infinite; | |
| } | |
| .shine:before, .shine:after { | |
| content:''; | |
| display: block; | |
| position: absolute; | |
| } | |
| .shine:before { | |
| top: 2px; | |
| left: -2px; | |
| width: 1px; | |
| height: 16px; | |
| background: #fff; | |
| transform: rotate(-90deg); | |
| box-shadow: 0 0 8px rgba(255,255,255,0.75); | |
| } | |
| .shine:after { | |
| top: 6px; | |
| left: -2px; | |
| width: 5px; | |
| height: 5px; | |
| background: #fff; | |
| transform: rotate(45deg); | |
| box-shadow: 0 0 8px 5px rgba(255,255,255,0.75); | |
| } | |
| /* reflective line */ | |
| .light { | |
| position: absolute; | |
| width: 48px; | |
| height: 48px; | |
| border-radius: 100%; | |
| overflow: hidden; | |
| } | |
| .light:before { | |
| content:''; | |
| display: block; | |
| position: absolute; | |
| width: 2px; | |
| height: 80px; | |
| top: -75%; | |
| left: 0; | |
| transform: rotate(45deg); | |
| background: rgba(255,255,255,0.5); | |
| animation: sheen2 7s infinite; | |
| } | |
| /* animates orb glow */ | |
| @keyframes orb { | |
| 0%,100% { | |
| box-shadow: 0 0 5px 2px #8FFFCF; | |
| } | |
| 50% { | |
| box-shadow: 0 0 24px 4px #8FFFCF; | |
| } | |
| } | |
| /* rotates shine */ | |
| @keyframes shine { | |
| 0% { | |
| opacity: 0; | |
| } | |
| 34% { | |
| opacity: 0; | |
| transform: rotate(15deg); | |
| } | |
| 40% { | |
| opacity: 0.6; | |
| transform: rotate(620deg); | |
| } | |
| 48%,100% { | |
| opacity: 0; | |
| transform: rotate(635deg); | |
| } | |
| } | |
| /* moves light reflection */ | |
| @keyframes sheen2 { | |
| 0%,100% { | |
| top: -75%; | |
| left: 15%; | |
| opacity: 0; | |
| width: 2px; | |
| } | |
| 1% { | |
| opacity: 1; | |
| } | |
| 10% { | |
| width: 24px; | |
| } | |
| 11%,18% { | |
| top: 75%; | |
| left: 50%; | |
| width: 2px; | |
| opacity: 0; | |
| } | |
| 20% { | |
| top: -75%; | |
| left: 15%; | |
| opacity: 0; | |
| width: 1px; | |
| } | |
| 21% { | |
| opacity: 0.75; | |
| } | |
| 30% { | |
| width: 6px; | |
| } | |
| 31%,98% { | |
| top: 75%; | |
| left: 50%; | |
| width: 2px; | |
| opacity: 0; | |
| } | |
| } |
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