body {
  font-family: sans-serif;
  max-width: 400px;
  margin: 40px auto;
  padding: 0 20px;
}

.row {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 10px;
}

.row label {
  width: 16px;
  font-weight: bold;
}

.row input[type="range"] {
  flex: 1;
}

.row span {
  width: 30px;
  text-align: right;
}