body {
  background-color: black;
  font-family: arial;
  color: white;
  text-align: center;
}

.main {
  display: flex;
  justify-content: center;
  margin: auto;
  max-height: 90vh;
}

.time {
  width: 90vh;
  margin-top: 5vh;
}

.time:after {
  content: '';
  display: block;
  padding-bottom: 100%;
}

h1 {
  font-size: 2rem;
  padding-top: 30vh;
}

button {
  font-size: 1.5rem;
  padding: 0.5rem;
  background-color: green;
  border: 0;
}

.row {
  height: 25%;
  display: flex;
  flex-direction: row;
  justify-content: center;
}

.space {
  width: 25%;
  justify-content: center;
}

@keyframes enter {
  0% {
    transform: scale(0.1);
    opacity: 0;
  }
  60% {
    transform: scale(1.2);
    opacity: 1;
  }
  100% {
    transform: scale(1);
  }
}