diff --git a/js/tests/unit/quantity-selector.spec.js b/js/tests/unit/quantity-selector.spec.js
index 08c47b9d27..6933be5a32 100644
--- a/js/tests/unit/quantity-selector.spec.js
+++ b/js/tests/unit/quantity-selector.spec.js
@@ -83,10 +83,10 @@ describe('QuantitySelector', () => {
     fixtureEl.innerHTML = [
       '<div class="input-group quantity-selector">',
       '  <input type="number" id="inputQuantitySelector1" class="form-control" aria-live="polite" data-bs-step="counter" name="quantity" title="quantity" value="1" min="0" max="10" step="1" data-bs-round="0" aria-label="Quantity selector">',
-      '  <button type="button" class="btn btn-icon btn-secondary" aria-describedby="inputQuantitySelector1" data-bs-step="down">',
+      '  <button type="button" class="btn btn-icon btn-outline-secondary" aria-describedby="inputQuantitySelector1" data-bs-step="down">',
       '    <span class="visually-hidden">Step down</span>',
       '  </button>',
-      '  <button type="button" class="btn btn-icon btn-secondary" aria-describedby="inputQuantitySelector1" data-bs-step="up">',
+      '  <button type="button" class="btn btn-icon btn-outline-secondary" aria-describedby="inputQuantitySelector1" data-bs-step="up">',
       '    <span class="visually-hidden">Step up</span>',
       '  </button>',
       '</div>'
@@ -104,10 +104,10 @@ describe('QuantitySelector', () => {
     fixtureEl.innerHTML = [
       '<div class="input-group quantity-selector">',
       '  <input type="number" id="inputQuantitySelector1" class="form-control" aria-live="polite" data-bs-step="counter" name="quantity" title="quantity" value="1" min="0" max="10" step="1" data-bs-round="0" aria-label="Quantity selector">',
-      '  <button type="button" class="btn btn-icon btn-secondary" aria-describedby="inputQuantitySelector1" data-bs-step="down">',
+      '  <button type="button" class="btn btn-icon btn-outline-secondary" aria-describedby="inputQuantitySelector1" data-bs-step="down">',
       '    <span class="visually-hidden">Step down</span>',
       '  </button>',
-      '  <button type="button" class="btn btn-icon btn-secondary" aria-describedby="inputQuantitySelector1" data-bs-step="up">',
+      '  <button type="button" class="btn btn-icon btn-outline-secondary" aria-describedby="inputQuantitySelector1" data-bs-step="up">',
       '    <span class="visually-hidden">Step up</span>',
       '  </button>',
       '</div>'
@@ -125,10 +125,10 @@ describe('QuantitySelector', () => {
     fixtureEl.innerHTML = [
       '<div class="input-group quantity-selector">',
       '  <input type="number" id="inputQuantitySelector1" class="form-control" aria-live="polite" data-bs-step="counter" name="quantity" title="quantity" value="9" min="0" max="10" step="1" data-bs-round="0" aria-label="Quantity selector">',
-      '  <button type="button" class="btn btn-icon btn-secondary" aria-describedby="inputQuantitySelector1" data-bs-step="down">',
+      '  <button type="button" class="btn btn-icon btn-outline-secondary" aria-describedby="inputQuantitySelector1" data-bs-step="down">',
       '    <span class="visually-hidden">Step down</span>',
       '  </button>',
-      '  <button type="button" class="btn btn-icon btn-secondary" aria-describedby="inputQuantitySelector1" data-bs-step="up">',
+      '  <button type="button" class="btn btn-icon btn-outline-secondary" aria-describedby="inputQuantitySelector1" data-bs-step="up">',
       '    <span class="visually-hidden">Step up</span>',
       '  </button>',
       '</div>'
@@ -152,10 +152,10 @@ describe('QuantitySelector', () => {
     fixtureEl.innerHTML = [
       '<div class="input-group quantity-selector">',
       '  <input type="number" id="inputQuantitySelector1" class="form-control" aria-live="polite" data-bs-step="counter" name="quantity" title="quantity" value="1" min="0" max="10" step="1" data-bs-round="0" aria-label="Quantity selector">',
-      '  <button type="button" class="btn btn-icon btn-secondary" aria-describedby="inputQuantitySelector1" data-bs-step="down">',
+      '  <button type="button" class="btn btn-icon btn-outline-secondary" aria-describedby="inputQuantitySelector1" data-bs-step="down">',
       '    <span class="visually-hidden">Step down</span>',
       '  </button>',
-      '  <button type="button" class="btn btn-icon btn-secondary" aria-describedby="inputQuantitySelector1" data-bs-step="up">',
+      '  <button type="button" class="btn btn-icon btn-outline-secondary" aria-describedby="inputQuantitySelector1" data-bs-step="up">',
       '    <span class="visually-hidden">Step up</span>',
       '  </button>',
       '</div>'
@@ -179,10 +179,10 @@ describe('QuantitySelector', () => {
     fixtureEl.innerHTML = [
       '<div class="input-group quantity-selector">',
       '  <input type="number" id="inputQuantitySelector1" class="form-control" aria-live="polite" data-bs-step="counter" name="quantity" title="quantity" value="1.25" min="0" max="10" step="0.5" data-bs-round="1" aria-label="Quantity selector">',
-      '  <button type="button" class="btn btn-icon btn-secondary" aria-describedby="inputQuantitySelector1" data-bs-step="down">',
+      '  <button type="button" class="btn btn-icon btn-outline-secondary" aria-describedby="inputQuantitySelector1" data-bs-step="down">',
       '    <span class="visually-hidden">Step down</span>',
       '  </button>',
-      '  <button type="button" class="btn btn-icon btn-secondary" aria-describedby="inputQuantitySelector1" data-bs-step="up">',
+      '  <button type="button" class="btn btn-icon btn-outline-secondary" aria-describedby="inputQuantitySelector1" data-bs-step="up">',
       '    <span class="visually-hidden">Step up</span>',
       '  </button>',
       '</div>'
@@ -202,10 +202,10 @@ describe('QuantitySelector', () => {
     fixtureEl.innerHTML = [
       '<div class="input-group quantity-selector">',
       '  <input type="number" id="inputQuantitySelector1" class="form-control" aria-live="polite" data-bs-step="counter" name="quantity" title="quantity" value="1.5" min="0" max="10" step="1" data-bs-round="1" aria-label="Quantity selector">',
-      '  <button type="button" class="btn btn-icon btn-secondary" aria-describedby="inputQuantitySelector1" data-bs-step="down">',
+      '  <button type="button" class="btn btn-icon btn-outline-secondary" aria-describedby="inputQuantitySelector1" data-bs-step="down">',
       '    <span class="visually-hidden">Step down</span>',
       '  </button>',
-      '  <button type="button" class="btn btn-icon btn-secondary" aria-describedby="inputQuantitySelector1" data-bs-step="up">',
+      '  <button type="button" class="btn btn-icon btn-outline-secondary" aria-describedby="inputQuantitySelector1" data-bs-step="up">',
       '    <span class="visually-hidden">Step up</span>',
       '  </button>',
       '</div>'
@@ -227,10 +227,10 @@ describe('QuantitySelector', () => {
     fixtureEl.innerHTML = [
       '<div class="input-group quantity-selector">',
       '  <input type="number" id="inputQuantitySelector1" class="form-control" aria-live="polite" data-bs-step="counter" name="quantity" title="quantity" value="8.5" min="0" max="10" step="1" data-bs-round="1" aria-label="Quantity selector">',
-      '  <button type="button" class="btn btn-icon btn-secondary" aria-describedby="inputQuantitySelector1" data-bs-step="down">',
+      '  <button type="button" class="btn btn-icon btn-outline-secondary" aria-describedby="inputQuantitySelector1" data-bs-step="down">',
       '    <span class="visually-hidden">Step down</span>',
       '  </button>',
-      '  <button type="button" class="btn btn-icon btn-secondary" aria-describedby="inputQuantitySelector1" data-bs-step="up">',
+      '  <button type="button" class="btn btn-icon btn-outline-secondary" aria-describedby="inputQuantitySelector1" data-bs-step="up">',
       '    <span class="visually-hidden">Step up</span>',
       '  </button>',
       '</div>'
@@ -252,10 +252,10 @@ describe('QuantitySelector', () => {
     fixtureEl.innerHTML = [
       '<div class="input-group quantity-selector">',
       '  <input type="number" id="inputQuantitySelector1" class="form-control" aria-live="polite" data-bs-step="counter" name="quantity" title="quantity" value="0.5" min="0" max="10" step="1" data-bs-round="1" aria-label="Quantity selector">',
-      '  <button type="button" class="btn btn-icon btn-secondary" aria-describedby="inputQuantitySelector1" data-bs-step="down">',
+      '  <button type="button" class="btn btn-icon btn-outline-secondary" aria-describedby="inputQuantitySelector1" data-bs-step="down">',
       '    <span class="visually-hidden">Step down</span>',
       '  </button>',
-      '  <button type="button" class="btn btn-icon btn-secondary" aria-describedby="inputQuantitySelector1" data-bs-step="up">',
+      '  <button type="button" class="btn btn-icon btn-outline-secondary" aria-describedby="inputQuantitySelector1" data-bs-step="up">',
       '    <span class="visually-hidden">Step up</span>',
       '  </button>',
       '</div>'
@@ -280,10 +280,10 @@ describe('QuantitySelector', () => {
     fixtureEl.innerHTML = [
       '<div class="input-group quantity-selector">',
       '  <input type="number" id="inputQuantitySelector1" class="form-control" aria-live="polite" data-bs-step="counter" name="quantity" title="quantity" value="9.5" min="0" max="10" step="1" data-bs-round="1" aria-label="Quantity selector">',
-      '  <button type="button" class="btn btn-icon btn-secondary" aria-describedby="inputQuantitySelector1" data-bs-step="down">',
+      '  <button type="button" class="btn btn-icon btn-outline-secondary" aria-describedby="inputQuantitySelector1" data-bs-step="down">',
       '    <span class="visually-hidden">Step down</span>',
       '  </button>',
-      '  <button type="button" class="btn btn-icon btn-secondary" aria-describedby="inputQuantitySelector1" data-bs-step="up">',
+      '  <button type="button" class="btn btn-icon btn-outline-secondary" aria-describedby="inputQuantitySelector1" data-bs-step="up">',
       '    <span class="visually-hidden">Step up</span>',
       '  </button>',
       '</div>'