html {
  font-family: "Oswald", sans-serif;
  background: gainsboro;
}

body {
  height: 96vh;
  width: 99vw;
}

#moving {
  height: 100px;
  width: 100px;
  border: 1px black;
  border-radius: 50%;
  background-color: #bd1111;
  font-size: 1rem;
  position: absolute;
  left: 10px;
  top: 10px;
  text-align: center;
  font-family: "Oswald", sans-serif;
  padding-bottom: 5%;
}

#zero {
  font-family: "Oswald", sans-serif;
  text-align: center;
  background: none;
  border: none;
  text-decoration: none;
  font-size: 28px;
}

h1 {
  font-family: "Oswald", sans-serif;
  font-size: 28px;
  text-align: center;
}
.center {
  margin: auto;
  text-align: center;