html,
body {
  width: 100%;
  height: 100%;
  margin: 0;
}

body {
  overflow: hidden;
}

.cat-splash {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 100%;
  height: 100vh;
  height: 100dvh;
  background: #171b1e;
}

.cat-splash__loader {
  color: #fff;
  font-family: Consolas, Menlo, Monaco, monospace;
  font-size: 78px;
  font-weight: bold;
  line-height: 1;
  opacity: 0.8;
}

.cat-splash__loader::before,
.cat-splash__loader::after {
  display: inline-block;
  animation: cat-splash-pulse 0.4s alternate infinite ease-in-out;
}

.cat-splash__loader::before {
  content: '{';
}

.cat-splash__loader::after {
  content: '}';
  animation-delay: 0.3s;
}

@keyframes cat-splash-pulse {
  to {
    opacity: 0.5;
    transform: scale(0.8);
  }
}