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Remove border="true". An advantage of the image custom extension markdown is that the border is automatically applied.

education/windows/tutorial-school-deployment/set-up-microsoft-intune.md

@@ -50,7 +50,7 @@ To block personally owned Windows devices from enrolling:
 1. Select **Create restriction**
 1. On the **Basics** page, provide a name for the restriction and, optionally, a description > **Next**
 1. On the **Platform settings** page, in the **Personally owned devices** field, select **Block** > **Next**
-    :::image type="content" source="./images/enrollment-restrictions.png" alt-text="Device enrollment restriction page in Microsoft Intune admin center" lightbox="./images/enrollment-restrictions.png" border="true":::
+    :::image type="content" source="./images/enrollment-restrictions.png" alt-text="This screenshot is of the device enrollment restriction page in Microsoft Intune admin center." lightbox="./images/enrollment-restrictions.png":::
 1. Optionally, on the **Scope tags** page, add scope tags > **Next**
 1. On the **Assignments** page, select **Add groups**, and then use the search box to find and choose groups to which you want to apply the restriction > **Next**
 1. On the **Review + create** page, select **Create** to save the restriction
@@ -69,7 +69,7 @@ To disable Windows Hello for Business at the tenant level:
 1. Ensure that **Configure Windows Hello for Business** is set to **disabled**
 1. Select **Save**
 
-:::image type="content" source="./images/whfb-disable.png" alt-text="Disablement of Windows Hello for Business from Microsoft Intune admin center." border="true" lightbox="./images/whfb-disable.png":::
+:::image type="content" source="./images/whfb-disable.png" alt-text="Disablement of Windows Hello for Business from Microsoft Intune admin center." lightbox="./images/whfb-disable.png":::
 
 For more information how to enable Windows Hello for Business on specific devices, see [Create a Windows Hello for Business policy][MEM-4].
 

windows/security/identity-protection/hello-for-business/hello-hybrid-cert-whfb-provision.md

@@ -124,7 +124,7 @@ To check the Windows Hello for Business policy applied at enrollment time:
 1. Select **Windows Hello for Business**
 1. Verify the status of **Configure Windows Hello for Business** and any settings that may be configured
 
-:::image type="content" source="images/whfb-intune-disable.png" alt-text="Disablement of Windows Hello for Business from Microsoft Intune admin center." border="true" lightbox="images/whfb-intune-disable.png":::
+:::image type="content" source="images/whfb-intune-disable.png" alt-text="Disablement of Windows Hello for Business from Microsoft Intune admin center." lightbox="images/whfb-intune-disable.png":::
 
 If the tenant-wide policy is enabled and configured to your needs, you can skip to [Enroll in Windows Hello for Business](#enroll-in-windows-hello-for-business). Otherwise, follow the instructions below to create a policy using an *account protection* policy.
 
@@ -147,7 +147,7 @@ To configure Windows Hello for Business using an *account protection* policy:
 1. Assign the policy to a security group that contains as members the devices or users that you want to configure > **Next**
 1. Review the policy configuration and select **Create**
 
-:::image type="content" source="images/whfb-intune-account-protection-cert-enable.png" alt-text="Enablement of Windows Hello for Business from Microsoft Intune admin center using an account protection policy." border="true" lightbox="images/whfb-intune-account-protection-cert-enable.png":::
+:::image type="content" source="images/whfb-intune-account-protection-cert-enable.png" alt-text="Enablement of Windows Hello for Business from Microsoft Intune admin center using an account protection policy." lightbox="images/whfb-intune-account-protection-cert-enable.png":::
 
 ---
 

windows/security/identity-protection/hello-for-business/hello-hybrid-key-trust-provision.md

@@ -40,7 +40,7 @@ To check the Windows Hello for Business policy applied at enrollment time:
 1. Select **Windows Hello for Business**
 1. Verify the status of **Configure Windows Hello for Business** and any settings that may be configured
 
-:::image type="content" source="images/whfb-intune-disable.png" alt-text="Disablement of Windows Hello for Business from Microsoft Intune admin center." border="true" lightbox="images/whfb-intune-disable.png":::
+:::image type="content" source="images/whfb-intune-disable.png" alt-text="Disablement of Windows Hello for Business from Microsoft Intune admin center." lightbox="images/whfb-intune-disable.png":::
 
 If the tenant-wide policy is enabled and configured to your needs, you can skip to [Enroll in Windows Hello for Business](#enroll-in-windows-hello-for-business). Otherwise, follow the instructions below to create a policy using an *account protection* policy.
 
@@ -62,7 +62,7 @@ To configure Windows Hello for Business using an *account protection* policy:
 1. Assign the policy to a security group that contains as members the devices or users that you want to configure > **Next**
 1. Review the policy configuration and select **Create**
 
-:::image type="content" source="images/whfb-intune-account-protection-enable.png" alt-text="Enablement of Windows Hello for Business from Microsoft Intune admin center using an account protection policy." border="true" lightbox="images/whfb-intune-account-protection-enable.png":::
+:::image type="content" source="images/whfb-intune-account-protection-enable.png" alt-text="Enablement of Windows Hello for Business from Microsoft Intune admin center using an account protection policy." lightbox="images/whfb-intune-account-protection-enable.png":::
 
 #### [:::image type="icon" source="../../images/icons/group-policy.svg"::: **GPO**](#tab/gpo)