<label> label: <progress max="100" value="10">10%</progress></label>
<label> label: <progress max="100" value="40">40%</progress></label>
<label> label: <progress max="100" value="80">80%</progress></label>
<label> label: <progress max="100" value="100">100%</progress></label>

progress[value] {
  --w: 10em; /* the width*/
  --color:  /* the progress color */
    /* if < 30% "red" */
    linear-gradient(red    0 0) 0 /calc(var(--w)*.3 - 100%) 1px,
    /* if < 60% "orange" */
    linear-gradient(orange 0 0) 0 /calc(var(--w)*.6 - 100%) 1px,
    /* else "green" */
    green;
  --background: lightgrey; /* the background color */

  -webkit-appearance: none;
  -moz-appearance: none;
  appearance: none;
  border: none;
  width: var(--w);
  margin: 0 10px;
  background: var(--background);
  -webkit-mask:
   radial-gradient(circle closest-side,#000 98%,#0000 102%) 0/12.5% 100%,
   linear-gradient(90deg,#000 50%, #0000 0) 8%/25% 100%
}
progress[value]::-webkit-progress-bar {
  background: var(--background);
}
progress[value]::-webkit-progress-value {
  background: var(--color);
}
progress[value]::-moz-progress-bar {
  background: var(--color);
}

label {
  font-size: 20px;
  font-weight: bold;
  display: block;
  margin: 20px 0;
}