Merge branch 'lang-master-patch-45b9' into 'master'

Add Login Buttons for Download

See merge request !26

docs/presentations.md

@@ -31,17 +31,23 @@
     [slides](presentations/2406/policies.pdf)
 
 
-# Documents
+# Downloads
 
-Proposals of the IAM4NFDI Project:
+## Proposals of the IAM4NFDI Project
 - [**Integration** Phase](documents/iam4nfdi_integration.pdf)
 - [**Initialisation** Phase](documents/iam4nfdi_initialization.pdf)
 
-our Service description, operating concept and TOMs : [Link](https://drive.google.com/drive/folders/1nT0YpZfOZ9YxQ-qgsA16zZw5KJ0TnTgV)
+## Service description, operating concept and TOMs 
+[Service description, operating concept and TOMs](https://drive.google.com/drive/folders/1nT0YpZfOZ9YxQ-qgsA16zZw5KJ0TnTgV)
 
+## Workshops
 We publish the material of our workshops on this [google
 drive](https://drive.google.com/drive/folders/1nT0YpZfOZ9YxQ-qgsA16zZw5KJ0TnTgV).
 
+## IAM4NFDI Login Buttons
+You can download the NFDI Login Buttons for your service here:
+- Button [NFDI Login blue](images/NFDI_Login_blue.png)
+- Button [NFDI Login white](images/NFDI_Login_white.png)
 
 
 {% include 'gitinfo.md' %}