* {
  box-sizing: border-box;
}

body {
  display: flex;
  justify-content: center;
  align-items: center;
  margin: 0;
  padding: 0;
  height: 100vh;
  background-image: url(assets/background.jpg);
  background-repeat: no-repeat;
  background-position: center;
  background-size: cover;
  font-family: system-ui, -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, 'Open Sans', 'Helvetica Neue', sans-serif;
  font-weight: bold;
  font-size: 1.3rem;
}

.container {
  max-width: 800px;
  min-width: 300px;
  width: 30vw;
  max-height: 500px;
  min-height: 200px;
  background-color: white;
  padding: 30px;
  text-align: center;
  border-radius: 5px;
  overflow-y: auto;
  box-shadow: 0 0 3px 2px rgba(0, 0, 0, 0.300);
}

button {
  margin: 10px 0;
  padding: 10px;
  color: azure;
  font-size: 1.2rem;
  font-weight: bold;
  text-transform: uppercase;
  border: 0;
  border-radius: 5px;
  outline: none;
  cursor: pointer;
}

#increment-btn {
  background-color: darkgreen;
}

#save-btn {
  background-color: darkblue;
}

#reset-btn {
  background-color: darkred;
}

#history-el {
  visibility: hidden;
}