diff --git a/content/en/buttons-and-links/_index.md b/content/en/buttons-and-links/_index.md
index 02e04c72ef..d7ded7a204 100644
--- a/content/en/buttons-and-links/_index.md
+++ b/content/en/buttons-and-links/_index.md
@@ -20,7 +20,7 @@ toc: true
 layout: "single"
 ---
 
-## Buttons general (BL-BG)
+## Buttons general (G-M7FH)
 
 There are four button atoms within the npower Design System. These are "Primary", "Secondary", "Log in" and "Register". Unusually, they all share the same basic properties, so we've created one Sketch Measure file to outline those properties, using a grey button purely for illustration (there is no grey button).
 
@@ -32,76 +32,76 @@ Line height: 16px.
 
 
 
-## Primary button (BL-A-X4C)
+## Primary button (A-64C7)
 
-![BL-A-X4C: Dev output](/images/components/bl/BL-A-X4C.png "Primary button")
+![A-64C7: Dev output](/images/components/bl/A-64C7.png "Primary button")
 
 Description / uses of primary button.
 
 <a href="/sketch-measure/BL-Buttons/#artboard1" target="_blank">"Primary button" measured output</a>
 
-#### BL-A-X4C dev code
+#### A-64C7 dev code
 
 ```go-html-template
 <input type="button" value="Primary button" class="primary">
 ```
 
-![BL-A-X4C: Dev output](/images/components/bl/BL-A-X4C.png "Primary button")
+![A-64C7: Dev output](/images/components/bl/A-64C7.png "Primary button")
 
 
 
 
-## Secondary button (BL-A-4QR)
+## Secondary button (A-4QRL)
 
-![BL-A-4QR: Dev output](/images/components/bl/BL-A-4QR.png "Secondary button")
+![A-4QRL: Dev output](/images/components/bl/A-4QRL.png "Secondary button")
 
 Description / uses of secondary button.
 
 <a href="/sketch-measure/BL-Buttons/#artboard2" target="_blank">"Secondary button" measured output</a>
 
-#### BL-A-4QR dev code
+#### A-4QRL dev code
 
 ```go-html-template
 <input type="button" value="Secondary button" class="secondary">
 ```
 
-![BL-A-4QR: Dev output](/images/components/bl/BL-A-4QR.png "Secondary button")
+![A-4QRL: Dev output](/images/components/bl/A-4QRL.png "Secondary button")
 
 
 
-## Login button (BL-A-3F5)
+## Login button (A-3F59)
 
-![BL-A-3F5: Dev output](/images/components/bl/BL-A-3F5.png "Login button")
+![A-3F59: Dev output](/images/components/bl/A-3F59.png "Login button")
 
 Description / uses of login button.
 
 <a href="/sketch-measure/BL-Buttons/#artboard3" target="_blank">"Login button" measured output</a>
 
-#### BL-A-3F5 dev code
+#### A-3F59 dev code
 
 ```go-html-template
 <input type="button" value="Login button" class="login">
 ```
 
-![BL-A-3F5: Dev output](/images/components/bl/BL-A-3F5.png "Login button")
+![A-3F59: Dev output](/images/components/bl/A-3F59.png "Login button")
 
 
 
-## Register button (BL-A-S91)
+## Register button (A-S91Q)
 
-![BL-A-S91: Dev output](/images/components/bl/BL-A-S91.png "Register button")
+![A-S91Q: Dev output](/images/components/bl/A-S91Q.png "Register button")
 
 Description / uses of login button.
 
 <a href="/sketch-measure/BL-Buttons/#artboard4" target="_blank">"Register button" measured output</a>
 
-#### BL-A-S91 dev code
+#### A-S91Q dev code
 
 ```go-html-template
 <input type="button" value="Register button" class="register">
 ```
 
-![BL-A-S91: Dev output](/images/components/bl/BL-A-S91.png "Register button")
+![A-S91Q: Dev output](/images/components/bl/A-S91Q.png "Register button")
 
 
 <!-- [Ace]: /templates/alternatives/ -->
diff --git a/static/images/components/bl/BL-E-3F5.png b/static/images/components/bl/A-3F59.png
similarity index 100%
rename from static/images/components/bl/BL-E-3F5.png
rename to static/images/components/bl/A-3F59.png
diff --git a/static/images/components/bl/BL-E-4QR.png b/static/images/components/bl/A-4QRL.png
similarity index 100%
rename from static/images/components/bl/BL-E-4QR.png
rename to static/images/components/bl/A-4QRL.png
diff --git a/static/images/components/bl/BL-E-X4C.png b/static/images/components/bl/A-64C7.png
similarity index 100%
rename from static/images/components/bl/BL-E-X4C.png
rename to static/images/components/bl/A-64C7.png
diff --git a/static/images/components/bl/BL-E-S91.png b/static/images/components/bl/A-S91Q.png
similarity index 100%
rename from static/images/components/bl/BL-E-S91.png
rename to static/images/components/bl/A-S91Q.png