@font-face {
  font-family: 'Ac437 CGA';
  src: url('../fonts/Ac437_MBytePC230_CGA.ttf') format('truetype');
  font-weight: normal;
  font-style: normal;
}

* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

html, body {
  width: 100%;
  height: 100%;
  background-color: #000;
  overflow: hidden;
}

body {
  display: flex;
  align-items: center;
  justify-content: center;
}

.terminal {
  font-family: 'Ac437 CGA', monospace;
  font-size: 64px;
  color: #33ff33;
  text-shadow:
    0 0 4px #33ff33,
    0 0 8px #33ff33,
    0 0 16px #00aa00;
  letter-spacing: 2px;
  user-select: none;
  animation: flicker 4s infinite;
}

.terminal::after {
  content: '_';
  animation: blink 1s step-end infinite;
}

@keyframes blink {
  0%, 100% { opacity: 1; }
  50% { opacity: 0; }
}

@keyframes flicker {
  0%, 100% { opacity: 1; }
  92% { opacity: 1; }
  93% { opacity: 0.85; }
  94% { opacity: 1; }
  96% { opacity: 0.9; }
  97% { opacity: 1; }
}