body {
  color: #fff;
  padding: 0;
  margin: 0;
  background-color: #1f2937;
}

.container {
  display: flex;
  flex-direction: column;
  align-items: center;
  font-family: Arial, sans-serif;
}

.container h1 {
  color: #fff;
  margin-bottom: 20px;
}

.input-group {
  width: 100%;
  background-color: #6843ff;
  display: flex;
  flex-direction: column;
  align-items: center;
  margin-bottom: 20px;
  padding-bottom: 20px;
  gap: 10px;
  padding: 10px;
}

.input-group button {
  width: 50px;
  height: 30px;
  text-align: center;
  background-color: #6843ff;
  border-radius: 5px;
  border: 1px solid #b295ff;
  color: #fff;
  font-size: 20px;
  font-weight: 900;
  appearance: none;
}

.input-group .minus {
  cursor: pointer;
}

.input-group .plus {
  cursor: pointer;
}

.input-group .minus:hover {
  background-color: #b295ff;
}

.input-group .plus:hover {
  background-color: #b295ff;
}

.input-group input {
  width: 50px;
  height: 30px;
  text-align: center;
  background-color: #6843ff;
  border-radius: 5px;
  border: 1px solid #b295ff;
  color: #fff;
  font-size: 20px;
  font-weight: 900;
  appearance: none;
}

.input-group select {
  width: 200px;
  height: 30px;
}

.output-group {
  display: flex;
  flex-direction: column;
  align-items: center;
  margin-top: 20px;
  color: #fff;
}

.output-group-item {
  background-color: #273549;
  padding: 20px;
  border-radius: 5px;
  margin-bottom: 10px;
  width: 100%;
  text-align: center;
}

.output-group input {
  width: 200px;
  height: 30px;
  margin-bottom: 10px;
}

.output-group select {
  width: 200px;
  height: 30px;
}

#convert-btn {
  width: 200px;
  height: 30px;
  margin-top: 10px;
}

#convert-btn:hover {
  background-color: #b295ff;
}

/* Input value */
#input-value:focus {
  outline: none;
}

#input-value::-webkit-inner-spin-button,
#input-value::-webkit-outer-spin-button {
  -webkit-appearance: none;
  margin: 0;
}

#input-value {
  margin-top: 10px;
}

#input-value:hover {
  background-color: #b295ff;
}