CRT effect with flickering scanlines and RGB grid.
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| // CRT effect with flickering scanlines and RGB grid. | |
| // By zibri@zibri.org | |
| // <html class="crt"> </html> | |
| @keyframes flicker { | |
| 50% { | |
| top: -3px | |
| } | |
| } | |
| .crt::before { | |
| position: absolute; | |
| top: 0; | |
| left: 0; | |
| bottom: 0; | |
| right: 0; | |
| content: " "; | |
| display: block; | |
| background: linear-gradient(rgba(18,16,16,0) 50%,rgba(0,0,0,.5) 50%),linear-gradient(90deg,rgba(255,0,0,.1),rgba(0,255,0,.05),rgba(0,0,255,.1),rgba(0,0,0,.2)); | |
| z-index: 2; | |
| background-size: 100% 4px,3px 100%; | |
| pointer-events: none; | |
| filter: contrast(80%); // it helps... lower this to 50% for a stronger effect | |
| animation: flicker .08s step-end infinite | |
| } |
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