Add gettext

messages.pot

@@ -248,6 +248,9 @@ msgstr ""
 msgid "all_class_highscores"
 msgstr ""
 
+msgid "all_rows_missing_separator"
+msgstr ""
+
 msgid "already_account"
 msgstr ""
 
@@ -392,6 +395,9 @@ msgstr ""
 msgid "contributor"
 msgstr ""
 
+msgid "copy_accounts_to_clipboard"
+msgstr ""
+
 msgid "copy_clipboard"
 msgstr ""
 
@@ -425,6 +431,9 @@ msgstr ""
 msgid "create_accounts"
 msgstr ""
 
+msgid "create_accounts_placeholder"
+msgstr ""
+
 msgid "create_accounts_prompt"
 msgstr ""
 
@@ -440,12 +449,27 @@ msgstr ""
 msgid "create_student_account_explanation"
 msgstr ""
 
+msgid "create_student_accounts"
+msgstr ""
+
 msgid "create_teacher_account"
 msgstr ""
 
 msgid "create_teacher_account_explanation"
 msgstr ""
 
+msgid "create_usernames_and_passwords_desc"
+msgstr ""
+
+msgid "create_usernames_and_passwords_title"
+msgstr ""
+
+msgid "create_usernames_desc"
+msgstr ""
+
+msgid "create_usernames_title"
+msgstr ""
+
 msgid "creator"
 msgstr ""
 
@@ -1190,6 +1214,9 @@ msgstr ""
 msgid "passwords_six"
 msgstr ""
 
+msgid "passwords_too_short"
+msgstr ""
+
 msgid "pending_invites"
 msgstr ""
 
@@ -1235,6 +1262,9 @@ msgstr ""
 msgid "previous_page"
 msgstr ""
 
+msgid "print_accounts"
+msgstr ""
+
 msgid "print_logo"
 msgstr ""
 
@@ -1277,6 +1307,9 @@ msgstr ""
 msgid "prompt_join_class"
 msgstr ""
 
+msgid "provided_username_duplicates"
+msgstr ""
+
 msgid "public"
 msgstr ""
 
@@ -1517,6 +1550,9 @@ msgstr ""
 msgid "solution_example_explanation"
 msgstr ""
 
+msgid "some_rows_missing_separator"
+msgstr ""
+
 msgid "something_went_wrong_keyword_parsing"
 msgstr ""
 
@@ -1553,6 +1589,9 @@ msgstr ""
 msgid "student"
 msgstr ""
 
+msgid "student_accounts_created"
+msgstr ""
+
 msgid "student_adventures_table"
 msgstr ""
 
@@ -1733,6 +1772,9 @@ msgstr ""
 msgid "token_invalid"
 msgstr ""
 
+msgid "too_many_accounts"
+msgstr ""
+
 msgid "tooltip_level_locked"
 msgstr ""
 
@@ -1796,6 +1838,12 @@ msgstr ""
 msgid "updating_indicator"
 msgstr ""
 
+msgid "use_custom_passwords"
+msgstr ""
+
+msgid "use_generated_passwords"
+msgstr ""
+
 msgid "use_of_blanks_exception"
 msgstr ""
 
@@ -1817,6 +1865,12 @@ msgstr ""
 msgid "username"
 msgstr ""
 
+msgid "username_contains_invalid_symbol"
+msgstr ""
+
+msgid "username_contains_separator"
+msgstr ""
+
 msgid "username_empty"
 msgstr ""
 
@@ -1829,6 +1883,12 @@ msgstr ""
 msgid "username_three"
 msgstr ""
 
+msgid "usernames_too_short"
+msgstr ""
+
+msgid "usernames_unavailable"
+msgstr ""
+
 msgid "value"
 msgstr ""
 

static/css/additional.css

@@ -304,28 +304,25 @@ kbd {
 }
 
 
-#spinner {
-  border: 16px solid #f3f3f3; /* Light grey */
-  border-top: 16px solid #3498db; /* Blue */
+#loading_spinner {
+  border: 16px solid #f7f7f7;
+  border-top: 16px solid #2977ff;
   border-radius: 50%;
   width: 120px;
   height: 120px;
   z-index: 101;
   animation: spin 2s linear infinite;
-  position: absolute;
-  top: 50%;
-  left: 50%;
-  margin-right: 50%;
-  margin-bottom: 50%;
-  transform: translate(-50%, -50%);
+  position: fixed;
+  top: calc(50% - 60px);
+  left: calc(50% - 60px);
 }
 
 @keyframes spin {
   0% { transform: rotate(0deg); }
   100% { transform: rotate(360deg); }
 }
 
-#loading {
+#loading_mask {
   display: block;
   position: absolute;
   top: 0;