Put screenshots in block quotes

README.md

@@ -222,7 +222,7 @@ git remote add origin https://gitlab.ssec.wisc.edu/YOUR_USERNAME/tut.git
 git push -u origin main
 ```
 
-![I get prompted to enter my login info while pushing][upload-push]
+> ![I get prompted to enter my login info while pushing][upload-push]
 
 You're all done!
 Go find your repo at
@@ -295,7 +295,7 @@ For this branch, put a couple fortunes into a file called `fortunes`.
 (echo 'Beware of Bigfoot!'; echo; echo 'Tomorrow, you can be anywhere.') > fortunes
 ```
 
-![I run "fortune" and put what it says into "fortunes"][branch-fortune]
+> ![I run "fortune" and put what it says into "fortunes"][branch-fortune]
 
 Stage and commit your fortunes.
 
@@ -316,7 +316,7 @@ git merge fortune
 git log
 ```
 
-![I run "git switch" and "fortunes" disappears][branch-switch]
+> ![I run "git switch" and "fortunes" disappears][branch-switch]
 
 Checking `git log`, you can see that both branches now have the newest
 commit from `fortune`.
@@ -445,7 +445,7 @@ Look for `id_rsa.pub` or `id_ed25519.pub` in `~/.ssh/`.
 ls ~/.ssh
 ```
 
-![I find "id_ed25519.pub" in my ".ssh" folder][ssh-ls]
+> ![I find "id_ed25519.pub" in my ".ssh" folder][ssh-ls]
 
 If it's not there, run either of the following commands to make a key
 pair:
@@ -456,7 +456,7 @@ ssh-keygen -t ed25519
 ssh-keygen -t rsa -b 4096
 ```
 
-![I run "ssh-keygen"][ssh-keygen]
+> ![I run "ssh-keygen"][ssh-keygen]
 
 Now copy your public key and paste it into
 <https://gitlab.ssec.wisc.edu/-/profile/keys>.
@@ -468,9 +468,9 @@ cat ~/.ssh/id_ed25519.pub
 cat ~/.ssh/id_rsa.pub
 ```
 
-![I "cat" my public key file][ssh-cat]
-
-![I paste my public key to a GitLab settings page][ssh-gitlab-pasted]
+> ![I "cat" my public key file][ssh-cat]
+>
+> ![I paste my public key to a GitLab settings page][ssh-gitlab-pasted]
 
 To start using SSH, make sure to change the protocol of your Git
 remotes!
@@ -485,7 +485,7 @@ git fetch
 If you want a shiny "verified" marker on your commits, you should sign
 them with a GPG key.
 
-![The "verified" marker on one of my commits on GitLab][gpg-verified]
+> ![The "verified" marker on one of my commits on GitLab][gpg-verified]
 
 I'm not writing a guide for this one.
 Try [GitLab's guide][gpg-guide].