.c-bmi {
    background-color:#00000094;
    border-radius: .25rem;
    box-sizing: border-box;
    font-family: ui-sans-serif, system-ui, sans-serif;
    padding: 1rem;
    max-width: 100%;
    width: 100%;
  }
  .c-bmi fieldset {
    border: 0;
    margin: 0;
    padding: 0;
  }
  .c-bmi__group-text {
    display: none;
    font-size: small;
    order: 2;
    padding: 1rem 0;
    text-align: left;
    width: 100%;
  }
  .c-bmi__groups {
    border: 0;
    flex-wrap: wrap;
    font-size: x-small;
    padding: 0;
    text-align: center;
    width: 100%;
  }
  .c-bmi__groups label {
    display: block;
    padding: .5rem;
    position: relative;
  }
  
  [for="bmi-g0"] { background-color: #4691e2; }
  [for="bmi-g1"] { background-color: #0cb764; }
  [for="bmi-g2"] { background-color: #febf18; }
  [for="bmi-g3"] { background-color: #fc8711; }
  [for="bmi-g4"] { background-color: #ff6455; }
  [for="bmi-g5"] { background-color: #cc1100; color: #fff; }
  
  .c-bmi__groups input:checked + label::before {
    background-color: #fff;
    clip-path: polygon(0% 0%,0% 100%,75.00% 50.00%);
    content: '';
    display: inline-block;
    height: 1rem;
    left: 0.5rem;
    position: absolute;
    top: 0.35rem;
    width: 1rem;
  }
  .c-bmi__groups input:checked + label + div {
    display: block;
    flex: 0 0 100%;
  }
  .c-bmi__label {
    display: block;
    font-size: medium;
    margin: 0 0 1rem 0;
    position: relative;
  }
  .c-bmi__label output {
    position: absolute;
    right: 0;
    top: 0;
  }
  .c-bmi__range {
    -webkit-appearance: none;
    appearance: none;
    background-color: transparent;
    outline: none;
    width: 100%;
  }
  .c-bmi__range::-webkit-slider-runnable-track {
    background-image: linear-gradient(to bottom, transparent 45%, lightslategray 45%, lightslategray 55%, transparent 55%);
  }
  .c-bmi__range::-moz-range-track {
    background-image: linear-gradient(to bottom, transparent 45%, lightslategray 45%, lightslategray 55%, transparent 55%);
  }
  .c-bmi__range::-webkit-slider-thumb {
    -webkit-appearance: none;
    appearance: none;
    background-color:aqua;
    border-radius: 50%;
    height: 2rem;
    width: 2rem;
  }
  .c-bmi__range::-moz-range-thumb {
    appearance: none;
    background-color: hsl(225,100%,20%);
    border-radius: 50%;
    height: 2rem;
    width: 2rem;
  }
  .c-bmi__range:focus::-webkit-slider-thumb {
    background-color: rgb(0, 197, 197);
    box-shadow: inset 0 0 0 0.25rem rgb(0, 0, 0);
  }
  .c-bmi__range:focus::-moz-range-thumb {
    background-color: hsl(225,30%,60%);
    box-shadow: inset 0 0 0 0.25rem rgb(0, 0, 0);
  }
  .c-bmi__result {
    display: block;
    font-size: 200%;
    margin-bottom: 1.5rem;
    text-align: right;
  }
  .c-bmi [type="radio"] { display: none; }
  
  /* RWD */
  @media (min-width: 600px) {
    .c-bmi__groups { display: flex; }
    .c-bmi__groups input:checked + label::before {
      background-color: inherit;
      clip-path: polygon(0% 0%,100% 0%,50% 100%);
      left: 50%;
      top: -1rem;
      transform: translateX(-50%);
      width: 1.5rem;
    }
    .c-bmi__groups label { flex: 1; }
    [for="bmi-g0"] { border-radius: .25rem 0 0 .25rem; }
    [for="bmi-g5"] { border-radius: 0 .25rem .25rem 0; }
  }
  
  /* For this demo */