/* Credit: Alec Lownes, http://aleclownes.com/2017/02/01/crt-display.html */
@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(0,30,255,0.5), -0.4389924193300864px  0 1px rgba(255,0,80,0.3), 0 0 3px; }
    5% { text-shadow: 2.7928974010788217px  0 1px rgba(0,30,255,0.5), -2.7928974010788217px  0 1px rgba(255,0,80,0.3), 0 0 3px; }
   10% { text-shadow: 0.02956275843481219px 0 1px rgba(0,30,255,0.5), -0.02956275843481219px 0 1px rgba(255,0,80,0.3), 0 0 3px; }
   15% { text-shadow: 0.40218538552878136px 0 1px rgba(0,30,255,0.5), -0.40218538552878136px 0 1px rgba(255,0,80,0.3), 0 0 3px; }
   20% { text-shadow: 3.4794037899852017px  0 1px rgba(0,30,255,0.5), -3.4794037899852017px  0 1px rgba(255,0,80,0.3), 0 0 3px; }
   25% { text-shadow: 1.6125630401149584px  0 1px rgba(0,30,255,0.5), -1.6125630401149584px  0 1px rgba(255,0,80,0.3), 0 0 3px; }
   30% { text-shadow: 0.7015590085143956px  0 1px rgba(0,30,255,0.5), -0.7015590085143956px  0 1px rgba(255,0,80,0.3), 0 0 3px; }
   35% { text-shadow: 3.896914047650351px   0 1px rgba(0,30,255,0.5), -3.896914047650351px   0 1px rgba(255,0,80,0.3), 0 0 3px; }
   40% { text-shadow: 3.870905614848819px   0 1px rgba(0,30,255,0.5), -3.870905614848819px   0 1px rgba(255,0,80,0.3), 0 0 3px; }
   45% { text-shadow: 2.231056963361899px   0 1px rgba(0,30,255,0.5), -2.231056963361899px   0 1px rgba(255,0,80,0.3), 0 0 3px; }
   50% { text-shadow: 0.08084290417898504px 0 1px rgba(0,30,255,0.5), -0.08084290417898504px 0 1px rgba(255,0,80,0.3), 0 0 3px; }
   55% { text-shadow: 2.3758461067427543px  0 1px rgba(0,30,255,0.5), -2.3758461067427543px  0 1px rgba(255,0,80,0.3), 0 0 3px; }
   60% { text-shadow: 2.202193051050636px   0 1px rgba(0,30,255,0.5), -2.202193051050636px   0 1px rgba(255,0,80,0.3), 0 0 3px; }
   65% { text-shadow: 2.8638780614874975px  0 1px rgba(0,30,255,0.5), -2.8638780614874975px  0 1px rgba(255,0,80,0.3), 0 0 3px; }
   70% { text-shadow: 0.48874025155497314px 0 1px rgba(0,30,255,0.5), -0.48874025155497314px 0 1px rgba(255,0,80,0.3), 0 0 3px; }
   75% { text-shadow: 1.8948491305757957px  0 1px rgba(0,30,255,0.5), -1.8948491305757957px  0 1px rgba(255,0,80,0.3), 0 0 3px; }
   80% { text-shadow: 0.0833037308038857px  0 1px rgba(0,30,255,0.5), -0.0833037308038857px  0 1px rgba(255,0,80,0.3), 0 0 3px; }
   85% { text-shadow: 0.09769827255241735px 0 1px rgba(0,30,255,0.5), -0.09769827255241735px 0 1px rgba(255,0,80,0.3), 0 0 3px; }
   90% { text-shadow: 3.443339761481782px   0 1px rgba(0,30,255,0.5), -3.443339761481782px   0 1px rgba(255,0,80,0.3), 0 0 3px; }
   95% { text-shadow: 2.1841838852799786px  0 1px rgba(0,30,255,0.5), -2.1841838852799786px  0 1px rgba(255,0,80,0.3), 0 0 3px; }
  100% { text-shadow: 2.6208764473832513px  0 1px rgba(0,30,255,0.5), -2.6208764473832513px  0 1px rgba(255,0,80,0.3), 0 0 3px; }
}
.crt::after {
  content: " ";
  display: block;
  position: absolute;
  top: 0;
  left: 0;
  bottom: 0;
  right: 0;
  background: rgba(18, 16, 16, 0.1);
  opacity: 0;
  z-index: 2;
  pointer-events: none;
  animation: flicker 0.15s infinite;
}
.crt::before {
  content: " ";
  display: block;
  position: absolute;
  top: 0;
  left: 0;
  bottom: 0;
  right: 0;
  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));
  z-index: 2;
  background-size: 100% 2px, 3px 100%;
  pointer-events: none;
}
.crt {
  animation: textShadow 1.6s infinite;
}