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

html, body {
  height: 100%;
  background: #000000;
  color: #FFFFFF;
}

main {
  display: flex;
  justify-content: center;
  align-items: center;
  height: 97svh;
  width: 100svw;
  flex-direction: column;
  text-align: center;
}

footer {
  display: flex;
  justify-content: center;
  align-items: center;
  font-size: 0.875rem;
  color: #666666;
  height: 3svh;
  width: 100svw;
}

.accent {
  position: relative;
  display: inline-block;
  z-index: 0;
  line-height: 1;
  padding: 0.2em 0.3em;
  color: #1d9bf0;
}

.accent::before {
  background-color: #15202b;
  content: '';
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  width: calc(100% + 0.6em);
  height: 1.4em;
  border-radius: 0.4em;
  z-index: -1;
}

h1 {
  font-size: 3em;
  padding-bottom: 0.3em;
}