html, body, #root {
  background: #000;
  color: #00cc11;
  height: 100vh;
  padding: 0;
  margin: 0;
}

html, body, select, button {
  font-family: monospace;
  font-size: 30px;
}

a {
  color: crimson;
  text-decoration: none;
}

a:hover {
  color: #fff;
}

button {
  border: 1px solid #333;
  border-radius: 4px;
  padding: 5px 15px;
  margin: 0 5px;
  color: #fff;
}

.primary {
  background-color: #00cc11;
  color: #333;
}

.primary:disabled {
  background-color: #666;
}

.danger {
  background-color: crimson;
}

.settings {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  height: 100vh;
}

.duration-picker {
  margin-bottom: 20px;
  display: flex;
  align-items: flex-end;
}

.duration-picker > div {
  display: flex;
  justify-content: center;
  align-items: center;
  flex-direction: column;
  width: 33%;
}

.duration-picker label {
  font-size: 0.6em;
  padding: 5px;
}

.duration-picker, .controls {
  display: flex;
  justify-content: space-between;
}

.clock {
  display: flex;
  justify-content: center;
  align-items: center;
  height: 100vh;
  color: #00cc11;
}

.clock.half {
  color: yellow;
}

.clock.warn {
  color: crimson;
}

.clock.expired {
  background-color: crimson;
  color: #000;
}

.clock .progress {
  background-color: #00cc11;
  height: 20px;
  position: absolute;
  bottom: 0px;
  left: 0px;
}

.clock .progress.half {
  background-color: yellow;
}

.clock .progress.warn {
  background-color: crimson;
}

.clock .progress.expired {
  display: none;
}