Update README.md

Author: minaschar

README.md

@@ -24,8 +24,8 @@
 <hr width="70%">
 <br>
 <div float="left">
-  <img src="screenshots-github/admin-login-page.png" width="420" />
-  <img src="screenshots-github/admin-register-page.png" width="420" />
+  <img src="screenshots-github/admin-login-page.png" width="400" />
+  <img src="screenshots-github/admin-register-page.png" width="400" />
 </div>
 <h4>Through the left screen, the admin can login to their account. If he does not have an account, he can create one through the form shown on the right screen.</h4>
 <hr width="70%">