portal/assets/css/crt.css

199 lines
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CSS
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---
layout: none
---
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/*
CRT effect in CSS by:
http://aleclownes.com/2017/02/01/crt-display.html
- slightly modified -
*/
@keyframes flicker {
0% {
opacity: 0.27861;
}
5% {
opacity: 0.34769;
}
10% {
opacity: 0.23604;
}
15% {
opacity: 0.90626;
}
20% {
opacity: 0.18128;
}
25% {
opacity: 0.83891;
}
30% {
opacity: 0.65583;
}
35% {
opacity: 0.67807;
}
40% {
opacity: 0.26559;
}
45% {
opacity: 0.84693;
}
50% {
opacity: 0.96019;
}
55% {
opacity: 0.08594;
}
60% {
opacity: 0.20313;
}
65% {
opacity: 0.71988;
}
70% {
opacity: 0.53455;
}
75% {
opacity: 0.37288;
}
80% {
opacity: 0.71428;
}
85% {
opacity: 0.70419;
}
90% {
opacity: 0.7003;
}
95% {
opacity: 0.36108;
}
100% {
opacity: 0.24387;
}
}
@keyframes textShadow {
0% {
text-shadow: 0.4389924193300864px 0 1px rgba(0,30,255,0.1), -0.4389924193300864px 0 1px rgba(255,0,80,0.2), 0 0 3px;
}
5% {
text-shadow: 2.7928974010788217px 0 1px rgba(0,30,255,0.1), -2.7928974010788217px 0 1px rgba(255,0,80,0.2), 0 0 3px;
}
10% {
text-shadow: 0.02956275843481219px 0 1px rgba(0,30,255,0.1), -0.02956275843481219px 0 1px rgba(255,0,80,0.2), 0 0 3px;
}
15% {
text-shadow: 0.40218538552878136px 0 1px rgba(0,30,255,0.1), -0.40218538552878136px 0 1px rgba(255,0,80,0.2), 0 0 3px;
}
20% {
text-shadow: 3.4794037899852017px 0 1px rgba(0,30,255,0.1), -3.4794037899852017px 0 1px rgba(255,0,80,0.2), 0 0 3px;
}
25% {
text-shadow: 1.6125630401149584px 0 1px rgba(0,30,255,0.1), -1.6125630401149584px 0 1px rgba(255,0,80,0.2), 0 0 3px;
}
30% {
text-shadow: 0.7015590085143956px 0 1px rgba(0,30,255,0.1), -0.7015590085143956px 0 1px rgba(255,0,80,0.2), 0 0 3px;
}
35% {
text-shadow: 3.896914047650351px 0 1px rgba(0,30,255,0.1), -3.896914047650351px 0 1px rgba(255,0,80,0.2), 0 0 3px;
}
40% {
text-shadow: 3.870905614848819px 0 1px rgba(0,30,255,0.1), -3.870905614848819px 0 1px rgba(255,0,80,0.2), 0 0 3px;
}
45% {
text-shadow: 2.231056963361899px 0 1px rgba(0,30,255,0.1), -2.231056963361899px 0 1px rgba(255,0,80,0.2), 0 0 3px;
}
50% {
text-shadow: 0.08084290417898504px 0 1px rgba(0,30,255,0.1), -0.08084290417898504px 0 1px rgba(255,0,80,0.2), 0 0 3px;
}
55% {
text-shadow: 2.3758461067427543px 0 1px rgba(0,30,255,0.1), -2.3758461067427543px 0 1px rgba(255,0,80,0.2), 0 0 3px;
}
60% {
text-shadow: 2.202193051050636px 0 1px rgba(0,30,255,0.1), -2.202193051050636px 0 1px rgba(255,0,80,0.2), 0 0 3px;
}
65% {
text-shadow: 2.8638780614874975px 0 1px rgba(0,30,255,0.1), -2.8638780614874975px 0 1px rgba(255,0,80,0.2), 0 0 3px;
}
70% {
text-shadow: 0.48874025155497314px 0 1px rgba(0,30,255,0.1), -0.48874025155497314px 0 1px rgba(255,0,80,0.2), 0 0 3px;
}
75% {
text-shadow: 1.8948491305757957px 0 1px rgba(0,30,255,0.1), -1.8948491305757957px 0 1px rgba(255,0,80,0.2), 0 0 3px;
}
80% {
text-shadow: 0.0833037308038857px 0 1px rgba(0,30,255,0.1), -0.0833037308038857px 0 1px rgba(255,0,80,0.2), 0 0 3px;
}
85% {
text-shadow: 0.09769827255241735px 0 1px rgba(0,30,255,0.1), -0.09769827255241735px 0 1px rgba(255,0,80,0.2), 0 0 3px;
}
90% {
text-shadow: 3.443339761481782px 0 1px rgba(0,30,255,0.1), -3.443339761481782px 0 1px rgba(255,0,80,0.2), 0 0 3px;
}
95% {
text-shadow: 2.1841838852799786px 0 1px rgba(0,30,255,0.1), -2.1841838852799786px 0 1px rgba(255,0,80,0.2), 0 0 3px;
}
100% {
text-shadow: 2.6208764473832513px 0 1px rgba(0,30,255,0.1), -2.6208764473832513px 0 1px rgba(255,0,80,0.2), 0 0 3px;
}
}
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.crt::after {
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content: " ";
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display: block;
position: absolute;
top: 0;
left: 0;
bottom: auto;
right: auto;
background: rgba(18, 16, 16, 0.1);
opacity: 0;
z-index: 2;
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pointer-events: none;
animation: flicker 3s infinite;
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width: 100%;
height: 100%;
}
.crt-flicker {
content: " ";
display: block;
position: absolute;
top: 0;
left: 0;
bottom: auto;
right: auto;
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background: rgba(18, 16, 16, 0.1);
opacity: 0;
z-index: 2;
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pointer-events: none;
animation: flicker 3s infinite;
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width: inherit;
height: inherit;
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}
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.crt::before {
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content: " ";
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display: block;
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position: absolute;
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top: auto;
left: auto;
bottom: auto;
right: auto;
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z-index: 2;
pointer-events: none;
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background: linear-gradient(rgba(18, 16, 16, 0) 50%, rgba(0, 0, 0, 0.25) 50%), linear-gradient(90deg, rgba(255, 0, 0, 0.06), rgba(0, 255, 0, 0.02), rgba(0, 0, 255, 0.06));
background-size: 100% 2px, 3px 100%;
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width: inherit;
height: inherit;
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}
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.crt {
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position: relative;
overflow: hidden;
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animation: textShadow 5s infinite;
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height: 100%;
width: 100%;
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}