90 lines
2.3 KiB
CSS
90 lines
2.3 KiB
CSS
.filmnoir-tint {
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position: fixed;
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top: 0;
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left: 0;
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width: 100vw;
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height: 100vh;
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pointer-events: none;
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z-index: 10000;
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background-color: #8c7355;
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mix-blend-mode: color;
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}
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.filmnoir-effects {
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position: fixed;
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top: 0;
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left: 0;
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width: 100vw;
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height: 100vh;
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pointer-events: none;
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z-index: 1100;
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}
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/* Film grain */
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.filmnoir-grain {
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will-change: transform, opacity;
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position: absolute;
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top: 0;
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left: -50%;
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width: 200%;
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height: 200%;
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background-image: url('data:image/svg+xml;utf8,<svg xmlns="http://www.w3.org/2000/svg" width="200" height="200"><filter id="n"><feTurbulence type="fractalNoise" baseFrequency="0.8" numOctaves="3" stitchTiles="stitch"/></filter><rect width="200" height="200" filter="url(%23n)" opacity="0.4"/></svg>');
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animation: grain-dance 0.2s steps(4) infinite;
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pointer-events: none;
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mix-blend-mode: overlay;
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opacity: 0.3;
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translate: 0 -50vh;
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}
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/* Vignette */
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.filmnoir-vignette {
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position: absolute;
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top: 0;
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left: 0;
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width: 100%;
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height: 100%;
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pointer-events: none;
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background: radial-gradient(circle at center, transparent 50%, rgba(0,0,0,0.8) 120%);
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box-shadow: inset 0 0 100px rgba(0,0,0,0.6);
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}
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/* Occasional flicker and scratch */
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.filmnoir-scratches {
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will-change: opacity;
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position: absolute;
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top: 0;
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left: 0;
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width: 100%;
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height: 100%;
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pointer-events: none;
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background: linear-gradient(to right, transparent 50%, rgba(255,255,255,0.2) 51%, transparent 52%);
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background-size: 200% 100%;
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animation: scratch 4s infinite linear, flicker 6s infinite alternate;
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opacity: 0.2;
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mix-blend-mode: screen;
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}
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@keyframes grain-dance {
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0% { transform: translate(0,0); }
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25% { transform: translate(-5%,-5%); }
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50% { transform: translate(-10%,5%); }
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75% { transform: translate(5%,-10%); }
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100% { transform: translate(0,0); }
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}
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@keyframes scratch {
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0% { background-position: -200% 0; }
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10% { background-position: 200% 0; }
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100% { background-position: 200% 0; }
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}
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@keyframes flicker {
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0% { opacity: 0.2; }
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5% { opacity: 0.1; }
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10% { opacity: 0.3; }
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15% { opacity: 0.2; }
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50% { opacity: 0.15; }
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55% { opacity: 0.25; }
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100% { opacity: 0.2; }
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}
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