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

body {
  font-family: Verdana, Geneva, Tahoma, sans-serif;
  background: #7d0a0a;
  color: black;
}
.center {
  height: 100vh;
  display: flex;
  justify-content: center;
  flex-direction: column;
  align-items: center;
}

span {
  font-weight: bold;
  font-size: 3rem;
}

#clock {
  font-size: 40px;
  font-weight: 600;
  background: #bf3131;
  padding: 20px 50px;
  margin-top: 30px;
  border-radius: 10px;
}