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

body {
  display: grid;
  grid-template-rows: 5fr 1fr;
  justify-items: center;
  background: var(--tg-theme-bg-color);
  color: var(--tg-theme-text-color);
  width: 100%;
  min-height: 100%;
}

section.main {
  display: grid;
  justify-items: center;
}

a {
  color: var(--tg-theme-link-color);
}

button {
  margin: auto;
  border: 0;
  border-radius: 5%;
  background: var(--tg-theme-button-color);
  color: var(--tg-theme-button-text-color);
  width: 10rem;
  height: 10vh;
  cursor: pointer;
}