body {
  background-color: #f8f9fa;
}
#speedometer {
  width: 120px;
  height: 120px;
  border-radius: 50%;
  background: conic-gradient(#007bff 0%, #e0e0e0 0%);
  display: flex;
  justify-content: center;
  align-items: center;
  font-weight: bold;
  font-size: 1.2rem;
  color: #fff;
  margin: auto;
  position: relative;
}
#speedometer span {
  position: absolute;
  z-index: 1;
}
#testText span.correct {
  color: green;
}
#testText span.incorrect {
  color: red;
}