companies, ads_1, referee pages

src/login.html

@@ -212,7 +212,7 @@
                     <h4 class=""><strong>Sign In </strong></p>
                     <input class="modal-username" type="text" placeholder="Username">
                     <input class="modal-username" type="password" placeholder="Password">
-                    <button type="button" class="btn btn-gradient btn-centered">SIGN IN</button> 
+                    <button type="button" class="btn btn-gradient btn-centered mt-20">SIGN IN</button> 
                   </div>
                   </div>