style.css

body {
  margin: 0;
  min-height: 100vh;
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell,
    'Open Sans', 'Helvetica Neue', sans-serif;
  display: flex;
  font-weight: 300;
  font-size: 0.9rem;
  letter-spacing: 2px;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  background-color: #252525;
  color: #fff;
}

canvas {
  transition: 0.8s;
}

.modal {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background-color: rgba(0, 0, 0, 0.3);
  backdrop-filter: blur(5px);
  display: none;
}

.modal-box {
  position: relative;
  text-align: center;
  width: 300px;
  background-color: #252525;
  margin: 0 auto;
  padding: 1em;
  box-shadow: 0 0 5px 2px rgba(255, 86, 86, 0.8);
}

.modal.active {
  display: block;
  animation: animate-modal 0.3s forwards;
}

@keyframes animate-modal {
  from {
    padding-top: 0;
  }
  to {
    padding-top: 30px;
  }
}

.score-container {
  display: flex;
}