html,
body {
  background-color: #000000;
  color: #00ff66;
  font-family: "Courier New", monospace;
  font-size: 16px;
  line-height: 1.5;
  margin: 0;
  padding: 0;
  min-height: 100vh;
}
body {
  padding: 50px;
  display: -webkit-box;
  display: -ms-flexbox;
  display: flex;
  -webkit-box-pack: center;
      -ms-flex-pack: center;
          justify-content: center;
  -webkit-box-align: center;
      -ms-flex-align: center;
          align-items: center;
  height: 100vh;
  margin: 0;
  padding: 0;
}
a {
  color: #00ff99;
  text-decoration: none;
}
a:hover {
  text-decoration: underline;
}
.container {
  display: inline-block;
}
.ip {
  display: block;
  font-size: 2.2em;
}
.hostname {
  color: #009944;
}
:root {
  /* snadná konfigurace */
  --dot-size: 10px;
  --dot-gap: 8px;
  --color-from: #7c3aed;
  /* fialová */
  --color-to: #22d3ee;
  /* azurová */
  --speed: 1.2s;
  --scale-min: 0.85;
  --scale-max: 1.15;
}
.dots-loader {
  display: -webkit-inline-box;
  display: -ms-inline-flexbox;
  display: inline-flex;
  gap: 8px;
  -webkit-box-align: center;
      -ms-flex-align: center;
          align-items: center;
}
.dots-loader .dot {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: #009944;
  -webkit-animation: dot-pulse var(--speed) ease-in-out infinite;
          animation: dot-pulse var(--speed) ease-in-out infinite;
  /* lepší vykreslení na některých browserech */
  will-change: transform, background-color;
}
.dots-loader .dot:nth-child(2) {
  -webkit-animation-delay: calc(1.2s * 0.15);
          animation-delay: calc(1.2s * 0.15);
}
.dots-loader .dot:nth-child(3) {
  -webkit-animation-delay: calc(1.2s * 0.3);
          animation-delay: calc(1.2s * 0.3);
}
@-webkit-keyframes dot-pulse {
  0%,
  100% {
    -webkit-transform: scale(0.85);
            transform: scale(0.85);
    background: #009944;
  }
  50% {
    -webkit-transform: scale(1.15);
            transform: scale(1.15);
    background: #00ff66;
  }
}
@keyframes dot-pulse {
  0%,
  100% {
    -webkit-transform: scale(0.85);
            transform: scale(0.85);
    background: #009944;
  }
  50% {
    -webkit-transform: scale(1.15);
            transform: scale(1.15);
    background: #00ff66;
  }
}
/* přístupnost: respektuj prefer-reduced-motion */
@media (prefers-reduced-motion: reduce) {
  .dots-loader .dot {
    -webkit-animation: none;
            animation: none;
    background: #00ff66;
  }
}