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Author: stgm

filter/less/filter.md

@@ -161,7 +161,9 @@ Watch the introductory walkthrough for more information on how to get started:
 
 The function `grayscale` should take an image and turn it into a black-and-white version of the same image.
 
-[![](walkthrough.jpg){: width="150px"}](https://youtu.be/A8LA2osnAwM?list=PLhQjrBD2T3837jmUt0ep7Tpmnxdv9NVut)
+1. Watch the walkthrough:
+
+    [![](walkthrough.jpg){: width="150px"}](https://youtu.be/A8LA2osnAwM?list=PLhQjrBD2T3837jmUt0ep7Tpmnxdv9NVut)
 
 1. Implement a separate `grayscale_pixel` function, which will take an image and returns a gray-scaled `RGBTRIPLE` value for that pixel:
 
@@ -186,7 +188,9 @@ The function `grayscale` should take an image and turn it into a black-and-white
 
 The function `sepia` should take an image and turn it into a sepia version of the same image.
 
-[![](walkthrough.jpg){: width="150px"}](https://youtu.be/m0_vouQLufc?list=PLhQjrBD2T3837jmUt0ep7Tpmnxdv9NVut)
+1. Watch the walkthrough:
+
+    [![](walkthrough.jpg){: width="150px"}](https://youtu.be/m0_vouQLufc?list=PLhQjrBD2T3837jmUt0ep7Tpmnxdv9NVut)
 
 1. Implement a separate `sepia_pixel` function, like you did for `grayscale_pixel`.
 
@@ -196,15 +200,19 @@ The function `sepia` should take an image and turn it into a sepia version of th
 
 The `reflect` function should take an image and reflect it horizontally.
 
-[![](walkthrough.jpg){: width="150px"}](https://youtu.be/dlWpx8gQdFo?list=PLhQjrBD2T3837jmUt0ep7Tpmnxdv9NVut)
+1. Watch the walkthrough:
+
+    [![](walkthrough.jpg){: width="150px"}](https://youtu.be/dlWpx8gQdFo?list=PLhQjrBD2T3837jmUt0ep7Tpmnxdv9NVut)
 
 1. For reflect, it's cleaner to **not** use an additional helper function. You can implement the full reflect inside the `reflect` function.
 
 ### Blur
 
 Finally, the `blur` function should take an image and turn it into a box-blurred version of the same image.
 
-[![](walkthrough.jpg){: width="150px"}](https://youtu.be/6opWB7DaFCY?list=PLhQjrBD2T3837jmUt0ep7Tpmnxdv9NVut)
+1. Watch the walkthrough:
+
+    [![](walkthrough.jpg){: width="150px"}](https://youtu.be/6opWB7DaFCY?list=PLhQjrBD2T3837jmUt0ep7Tpmnxdv9NVut)
 
 1. Implement a separate `blur_pixel` function, like you did for `grayscale_pixel` and `sepia_pixel`.