* {
  margin: 0;
  padding: 0;
  font-family: 'Roboto Mono', monospace;
}

html, body {
  margin: 0;
  padding: 0;
  width: 100vw;
  height: 100vh;
}

#date {
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  height: 100vh;
  width: 100vw;
  font-family: monospace;
}

#ydm {
  font-size: 5vw;
}

#hms {
  font-size: 15vw;
  font-weight: bold;
  letter-spacing: 2vw;
  margin-right: -2vw;
}

p {
  position: fixed;
  width: 100vw;
  left: 0;
  bottom: 1rem;
  text-align: center;
}

/* dark mode */
#date.dark {
  background-color: #333;
  color: white;
}