Updated the styling for modal titles

app/assets/stylesheets/framework/modal.scss

 .modal-header {
   background-color: $modal-body-bg;
-  padding: #{3 * $grid-size} #{2 * $grid-size};
   .page-title,
   .modal-title {

app/views/help/_shortcuts.html.haml

@@ -2,7 +2,7 @@
   .modal-dialog.modal-lg
     .modal-content
       .modal-header
-        %h4
+        %h4.modal-title
           Keyboard Shortcuts
           %small
             = link_to '(Show all)', '#', class: 'js-more-help-button'

app/views/projects/_bitbucket_import_modal.html.haml

@@ -2,7 +2,7 @@
   .modal-dialog
     .modal-content
       .modal-header
-        %h3 Import projects from Bitbucket
+        %h3.modal-title Import projects from Bitbucket
         %button.close{ type: "button", "data-dismiss": "modal", "aria-label" => _('Close') }
           %span{ "aria-hidden": true } ×
       .modal-body

app/views/projects/_gitlab_import_modal.html.haml

@@ -2,7 +2,7 @@
   .modal-dialog
     .modal-content
       .modal-header
-        %h3 Import projects from GitLab.com
+        %h3.modal-title Import projects from GitLab.com
         %button.close{ type: "button", "data-dismiss": "modal", "aria-label" => _('Close') }
           %span{ "aria-hidden": true } ×
       .modal-body

app/views/projects/_issuable_by_email.html.haml

@@ -8,10 +8,10 @@
   .modal-dialog{ role: "document" }
     .modal-content
       .modal-header
-        %button.close{ type: "button", "data-dismiss": "modal", "aria-label" => _('Close') }
-          %span{ "aria-hidden": true } ×
         %h4.modal-title
           Create new #{name} by email
+        %button.close{ type: "button", "data-dismiss": "modal", "aria-label" => _('Close') }
+          %span{ "aria-hidden": true } ×
       .modal-body
         %p
           You can create a new #{name} inside this project by sending an email to the following email address:

app/views/projects/deploy_tokens/_revoke_modal.html.haml

@@ -2,7 +2,7 @@
   .modal-dialog
     .modal-content
       .modal-header
-        %h4.modal-title.float-left
+        %h4.modal-title
           = s_('DeployTokens|Revoke')
           %b #{token.name}?
         %button.close{ type: "button", "data-dismiss": "modal", "aria-label" => _('Close') }

app/views/projects/merge_requests/_how_to_merge.html.haml

@@ -2,7 +2,7 @@
   .modal-dialog
     .modal-content
       .modal-header
-        %h3 Check out, review, and merge locally
+        %h3.modal-title Check out, review, and merge locally
         %button.close{ type: "button", "data-dismiss": "modal", "aria-label" => _('Close') }
           %span{ "aria-hidden": true } ×
       .modal-body