Untitled

index.html

<form>
  <fieldset class="rating">
    <legend>Use number keys or click buttons to rate from 0 to 8, or select "Unclear" (number 9)</legend>

    <div class="rating-group">
      <!-- 0-8 Rating Buttons -->
      <input type="radio" id="rate-0" name="rating" value="0">
      <label for="rate-0" class="grouped">0</label>

      <input type="radio" id="rate-1" name="rating" value="1">
      <label for="rate-1" class="grouped">1</label>

      <input type="radio" id="rate-2" name="rating" value="2">
      <label for="rate-2" class="grouped">2</label>

      <input type="radio" id="rate-3" name="rating" value="3">
      <label for="rate-3" class="grouped">3</label>

      <input type="radio" id="rate-4" name="rating" value="4">
      <label for="rate-4" class="grouped">4</label>

      <input type="radio" id="rate-5" name="rating" value="5">
      <label for="rate-5" class="grouped">5</label>

      <input type="radio" id="rate-6" name="rating" value="6">
      <label for="rate-6" class="grouped">6</label>

      <input type="radio" id="rate-7" name="rating" value="7">
      <label for="rate-7" class="grouped">7</label>

      <input type="radio" id="rate-8" name="rating" value="8">
      <label for="rate-8" class="grouped">8</label>
    </div>
    <!-- "Unclear" Button -->
    <input type="radio" id="rate-unclear" name="rating" value="9">
    <label for="rate-unclear" class="unclear">Unclear</label>

  </fieldset>
</form>

style.css

:root {
  font-family: Arial, sans-serif;
  --form-border-radius: 0.5em;
  --form-border-size: 1px;
  --form-border-color: #2e2e2e;
  --button-bg-color: #3a3a3a;
  --button-bg-color-selected: #007bff;
  --button-bg-color-variant: #483d8b;
  --button-bg-color-variant-selected: #2e8b57;
  --button-focus-size: 0.1875em;
  --button-focus-color: #ff00ff;
  --button-focus-color-variant: #ffa07a;
  --button-group-spacing: calc(var(--form-border-size) * -1);
  --button-margin: 0.625em;
  --button-v-padding: 0.75em;
  --button-h-padding: calc(var(--button-v-padding) * 1.875);
}

fieldset {
  padding: 0.35em 0.625em 0.625em 0.625em; /**/
}

.rating {
  display: flex;
  flex-direction: row;
  flex-wrap: wrap;
  align-items: center; /* Align items vertically centered */
  width: auto; /* Automatically fit the content */
  min-width: 14.25em;
  max-width: max-content;
  border: var(--form-border-size) solid var(--form-border-color);
  border-radius: var(--form-border-radius);
}

.rating input[type="radio"] {
  position: absolute;
  opacity: 0;
  width: 0;
  height: 0;
}

.rating label {
  padding: var(--button-v-padding) var(--button-h-padding);
  background-color: var(--button-bg-color);
  background-image: linear-gradient(
    to bottom,
    rgba(255, 255, 255, 0.1),
    rgba(0, 0, 0, 0.05)
  );
  color: white;
  cursor: pointer;
  border: var(--form-border-size) solid var(--form-border-color);
  transition: background-color 0.3s ease-in, box-shadow 0.3s ease-in; /* out transition */
  outline-offset: var(--form-border-size);
  border-radius: var(--form-border-radius);
  margin: var(--button-margin);
}

.rating input[type="radio"]:checked + label {
  --button-bg-color: var(--button-bg-color-selected);
}

.rating input[type="radio"]:focus + label {
  outline: 2px solid #ff00ff; /* Focus outline */
  z-index: 9999;
}

.rating input[type="radio"]:active + label, .rating input[type="radio"]:hover + label /*, .rating input[type="radio"]:checked + label + input + label,
.unclear*/ {
  box-shadow: 0 0 3px 3px var(--button-focus-color) inset;
  /* in transition */
  transition-timing-function: ease-out;
  transition-duration: 100ms;
  z-index: 9998;
}

.rating-group {
  display: contents;
}

/* Grouped buttons (0-8) styling */
.rating-group label:not(:first-of-type) {
  border-top-left-radius: 0;
  border-bottom-left-radius: 0;
  margin-left: var(
    --button-group-spacing
  ); /* Ensures adjacent buttons appear connected */
}

.rating-group label:not(:last-of-type) {
  border-top-right-radius: 0;
  border-bottom-right-radius: 0;
  margin-right: var(
    --button-group-spacing
  ); /* Ensures adjacent buttons appear connected */
}

.rating-group label:first-of-type {
  /*border-radius: var(--border-radius) 0 0 var(--border-radius); /* Left-rounded corner for first button */
}

.rating-group label:last-of-type {
  /*border-radius: 0 var(--border-radius) var(--border-radius) 0; /* Right-rounded corner for last button in group */
}

/* "Unclear" button styling */
.rating .unclear {
  --button-bg-color: var(--button-bg-color-variant);
  --button-focus-color: var(--button-focus-color-variant);
  /*margin-left: var(--button-margin); /* Creates the visual gap */
}

.rating input[type="radio"]:checked + .unclear {
  --button-bg-color: var(--button-bg-color-variant-selected);
}

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Untitled

A Pen by Florian Bender on CodePen.

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