html,
body {
  min-height: 100%;
  margin: 0;
  background: #152143;
}

.startup-shell {
  min-height: 100vh;
  box-sizing: border-box;
  padding: 5rem 3rem;
  background: #152143;
}

.startup-shell__content {
  width: min(100%, 64rem);
  margin: 0 auto;
}

.startup-shell__title,
.startup-shell__card {
  background: rgba(255, 255, 255, 0.08);
  animation: startup-pulse 1.5s ease-in-out infinite;
}

.startup-shell__title {
  width: 16rem;
  height: 2.5rem;
  margin-bottom: 3rem;
}

.startup-shell__card {
  height: 12rem;
  margin-bottom: 1.5rem;
}

.startup-shell__sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

@keyframes startup-pulse {
  50% {
    opacity: 0.55;
  }
}

@media (max-width: 640px) {
  .startup-shell {
    padding: 3rem 1.5rem;
  }

  .startup-shell__title {
    width: 12rem;
  }
}