body::after {
  content: "";
  position: fixed;
  inset: 0;
  z-index: 50;
  background:
    repeating-linear-gradient(transparent 0 2px, rgb(0 0 0 / 0.12) 2px 4px),
    radial-gradient(ellipse at center, transparent 60%, rgb(0 0 0 / 0.45) 100%);
  pointer-events: none;
  animation: crt-flicker 5s steps(1) infinite;
}

h3,
h4,
h5,
h6 {
  padding-top: 0;
}

#all {
  color: var(--paper);
}

#jeu {
  width: 800px;
  margin: 10px auto;
}

#map {
  float: left;
  margin-bottom: 50px;
  background: radial-gradient(ellipse at center, #fbf8ff 60%, #ddd3f0 100%);
  border: 5px solid var(--magenta);
  box-shadow: 0 0 0 4px var(--ink), 10px 10px 0 4px var(--cyan);
  cursor: crosshair;
}

#params {
  box-sizing: content-box;
  width: 20%;
  height: 732px;
  margin: 5px 50px 10px 10px;
  padding: 10px 14px;
  font-family: var(--font-hud);
  background: var(--dither), var(--ink-2);
  border: 2px solid var(--cyan);
  box-shadow: 6px 6px 0 var(--magenta);
}

#params h3 {
  margin: 0.75rem 0 0.5rem;
  color: var(--yellow);
  font: 0.8rem/1.6 var(--font-arcade);
  text-shadow: 2px 2px 0 var(--ink-3);
}

#params h4 {
  margin: 0.75rem 0 0.4rem;
  color: var(--cyan);
  font: 1.35rem/1.1 var(--font-hud);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

#params ul {
  margin: 0;
  padding-left: 1.25rem;
  font-size: 1.3rem;
  line-height: 1.25;
  list-style: square;
}

#params li::marker {
  color: var(--magenta);
}

#f11 {
  display: none;
}

#bad {
  display: none;
}

.btn {
  margin: 0 12px 10px 0;
  padding: 0.65rem 0.8rem;
  font-size: 0.6rem;
}

@media only screen and (min-width: 1700px) {
  #params {
    float: right;
  }
}

@media only screen and (min-width: 851px) and (max-width: 1700px) {
  #params {
    position: relative;
    left: 4px;
    width: 776px;
    max-height: 300px;
    margin: 10px auto;
    border-width: 4px;
  }

  .game-column {
    display: inline-block;
  }

  .game-column:last-child {
    margin-left: 80px;
    vertical-align: top;
  }
}

@media only screen and (max-width: 850px) {
  #all {
    display: none;
  }

  #bad {
    position: relative;
    top: 30px;
    display: block;
    width: min(100% - 2rem, 22rem);
    margin: auto;
    padding: 1.25rem 1.25rem 1.5rem;
    text-align: center;
    font: 1.35rem/1.3 var(--font-hud);
    background: var(--ink-2);
    border: 4px solid var(--red);
    box-shadow: 8px 8px 0 var(--ink-3);
  }

  #bad::before {
    content: "GAME OVER";
    display: block;
    margin-bottom: 1rem;
    color: var(--red);
    font: 1.1rem/1.2 var(--font-arcade);
    text-shadow: 3px 3px 0 var(--ink);
  }
}