improvements

docs/fe-login.md

@@ -2,7 +2,12 @@ Login to the Gateway for beta testing: [https://web.dev.hdruk.cloud/en/sign-in](
 
 Once you have logged in, in the top right corner, when you expand your profile, you will see all the teams that you are a member of:
 
+<center>
 <img width="283" alt="image" src="https://github.com/HDRUK/gateway-2-integrations-testing/assets/69473770/ca9875df-2b33-4457-9036-949eed8e45eb">
+</center>
 
 You will then see the main page for you team:
+
+<center>
 <img width="1030" alt="image" src="https://github.com/HDRUK/gateway-2-integrations-testing/assets/69473770/c0090073-28c6-48c3-a3b1-c44c5c6bb9a7">
+</center>