diff --git a/curriculum/challenges/english/25-front-end-development/workshop-cat-painting/6476fc5cf14b276e6d04e82a.md b/curriculum/challenges/english/25-front-end-development/workshop-cat-painting/6476fc5cf14b276e6d04e82a.md
index 0404d519551..9251897cd3d 100644
--- a/curriculum/challenges/english/25-front-end-development/workshop-cat-painting/6476fc5cf14b276e6d04e82a.md
+++ b/curriculum/challenges/english/25-front-end-development/workshop-cat-painting/6476fc5cf14b276e6d04e82a.md
@@ -14,43 +14,43 @@ Use a class selector to give your `.box` element a width of `200px`, a height of
 You should have a `.box` selector.
 
 ```js
-assert(new __helpers.CSSHelp(document)?.getStyle('.box'))
+assert.exists(new __helpers.CSSHelp(document)?.getStyle('.box'));
 ```
 
 Your `.box` selector should have a `width` property set to `200px`.
 
 ```js
-assert(new __helpers.CSSHelp(document)?.getStyle('.box')?.width === '200px')
+assert.equal(new __helpers.CSSHelp(document)?.getStyle('.box')?.width, '200px');
 ```
 
 Your `.box` selector should have a `height` property set to `600px`.
 
 ```js
-assert(new __helpers.CSSHelp(document)?.getStyle('.box')?.height === '600px')
+assert.equal(new __helpers.CSSHelp(document)?.getStyle('.box')?.height, '600px');
 ```
 
 Your `.box` selector should have a `background-color` property set to `#000`.
 
 ```js
-assert(new __helpers.CSSHelp(document)?.getStyle('.box')?.backgroundColor === 'rgb(0, 0, 0)')
+assert.equal(new __helpers.CSSHelp(document)?.getStyle('.box')?.backgroundColor, 'rgb(0, 0, 0)');
 ```
 
 Your `.box` selector should have a `position` property set to `absolute`.
 
 ```js
-assert(new __helpers.CSSHelp(document)?.getStyle('.box')?.position === 'absolute')
+assert.equal(new __helpers.CSSHelp(document)?.getStyle('.box')?.position, 'absolute');
 ```
 
 Your `.box` selector should have a `left` property set to `650px`.
 
 ```js
-assert(new __helpers.CSSHelp(document)?.getStyle('.box')?.left === '650px')
+assert.equal(new __helpers.CSSHelp(document)?.getStyle('.box')?.left, '650px');
 ```
 
 Your `.box` selector should have a `top` property set to `800px`.
 
 ```js
-assert(new __helpers.CSSHelp(document)?.getStyle('.box')?.top === '800px')
+assert.equal(new __helpers.CSSHelp(document)?.getStyle('.box')?.top, '800px');
 ```
 
 # --seed--
diff --git a/curriculum/challenges/english/25-front-end-development/workshop-cat-painting/6476fd4213318f6ee211028a.md b/curriculum/challenges/english/25-front-end-development/workshop-cat-painting/6476fd4213318f6ee211028a.md
index 4aa15e6de57..69b6e70fe3a 100644
--- a/curriculum/challenges/english/25-front-end-development/workshop-cat-painting/6476fd4213318f6ee211028a.md
+++ b/curriculum/challenges/english/25-front-end-development/workshop-cat-painting/6476fd4213318f6ee211028a.md
@@ -16,19 +16,19 @@ After that, scroll up and down to see how the `fixed` value works.
 Your `.cat-head` selector should have a `position` property set to `fixed`. Make sure you add a semicolon.
 
 ```js
-assert(new __helpers.CSSHelp(document)?.getStyle('.cat-head')?.position === 'fixed')
+assert.equal(new __helpers.CSSHelp(document)?.getStyle('.cat-head')?.position, 'fixed');
 ```
 
 Your `.cat-head` selector should have a `top` property set to `100px`. Make sure you add a semicolon.
 
 ```js
-assert(new __helpers.CSSHelp(document)?.getStyle('.cat-head')?.top === '100px')
+assert.equal(new __helpers.CSSHelp(document)?.getStyle('.cat-head')?.top, '100px');
 ```
 
 Your `.cat-head` selector should have a `left` property set to `100px`. Make sure you add a semicolon.
 
 ```js
-assert(new __helpers.CSSHelp(document)?.getStyle('.cat-head')?.left === '100px')
+assert.equal(new __helpers.CSSHelp(document)?.getStyle('.cat-head')?.left, '100px');
 ```
 
 # --seed--
diff --git a/curriculum/challenges/english/25-front-end-development/workshop-cat-painting/64770351e8586671ec0911f0.md b/curriculum/challenges/english/25-front-end-development/workshop-cat-painting/64770351e8586671ec0911f0.md
index c8a70d1f10f..5daa53c7246 100644
--- a/curriculum/challenges/english/25-front-end-development/workshop-cat-painting/64770351e8586671ec0911f0.md
+++ b/curriculum/challenges/english/25-front-end-development/workshop-cat-painting/64770351e8586671ec0911f0.md
@@ -18,19 +18,19 @@ Change the value of the `position` property of `.cat-head` to `sticky`, set `top
 Your `.cat-head` selector should have a `position` property set to `sticky`. Make sure you add a semicolon.
 
 ```js
-assert(new __helpers.CSSHelp(document)?.getStyle('.cat-head')?.position === 'sticky')
+assert.equal(new __helpers.CSSHelp(document)?.getStyle('.cat-head')?.position, 'sticky');
 ```
 
 Your `.cat-head` selector should have a `top` property set to `0`. Make sure you add a semicolon.
 
 ```js
-assert(new __helpers.CSSHelp(document)?.getStyle('.cat-head')?.top === '0px')
+assert.equal(new __helpers.CSSHelp(document)?.getStyle('.cat-head')?.top, '0px');
 ```
 
 You should not have the `left` property and its value in your code.
 
 ```js
-assert.notMatch(code, /left:\s*100px;?/)
+assert.notMatch(code, /left:\s*100px;?/);
 ```
 
 # --seed--
diff --git a/curriculum/challenges/english/25-front-end-development/workshop-cat-painting/6477062778c85972eb648030.md b/curriculum/challenges/english/25-front-end-development/workshop-cat-painting/6477062778c85972eb648030.md
index 243e79727cc..69da4de91e7 100644
--- a/curriculum/challenges/english/25-front-end-development/workshop-cat-painting/6477062778c85972eb648030.md
+++ b/curriculum/challenges/english/25-front-end-development/workshop-cat-painting/6477062778c85972eb648030.md
@@ -16,37 +16,37 @@ Give the `.cat-head` element a `position` property set to `absolute`. Set a valu
 Your `.cat-head` selector should have a `position` property set to `absolute`. Make sure you add a semicolon.
 
 ```js
-assert(new __helpers.CSSHelp(document)?.getStyle('.cat-head')?.position === 'absolute')
+assert.equal(new __helpers.CSSHelp(document)?.getStyle('.cat-head')?.position, 'absolute');
 ```
 
 Your `.cat-head` selector should have a `top` property set to `0`. Make sure you add a semicolon.
 
 ```js
-assert(new __helpers.CSSHelp(document)?.getStyle('.cat-head')?.top === '0px')
+assert.equal(new __helpers.CSSHelp(document)?.getStyle('.cat-head')?.top, '0px');
 ```
 
 Your `.cat-head` selector should have a `left` property set to `0`. Make sure you add a semicolon.
 
 ```js
-assert(new __helpers.CSSHelp(document)?.getStyle('.cat-head')?.left === '0px')
+assert.equal(new __helpers.CSSHelp(document)?.getStyle('.cat-head')?.left, '0px');
 ```
 
 Your `.cat-head` selector should have a `right` property set to `0`. Make sure you add a semicolon.
 
 ```js
-assert(new __helpers.CSSHelp(document)?.getStyle('.cat-head')?.right === '0px')
+assert.equal(new __helpers.CSSHelp(document)?.getStyle('.cat-head')?.right, '0px');
 ```
 
 Your `.cat-head` selector should have a `bottom` property set to `0`. Make sure you add a semicolon.
 
 ```js
-assert(new __helpers.CSSHelp(document)?.getStyle('.cat-head')?.bottom === '0px')
+assert.equal(new __helpers.CSSHelp(document)?.getStyle('.cat-head')?.bottom, '0px');
 ```
 
 Your `.cat-head` selector should have a `margin` property set to `auto`. Make sure you add a semicolon.
 
 ```js
-assert(new __helpers.CSSHelp(document)?.getStyle('.cat-head')?.margin === 'auto')
+assert.equal(new __helpers.CSSHelp(document)?.getStyle('.cat-head')?.margin, 'auto');
 ```
 
 # --seed--