OO-2142: fix position of checkbox in the table of rights management in course

src/main/webapp/static/themes/light/modules/_bootstrap.scss

@@ -109,6 +109,11 @@ body .progress-bar {
 	}
 }
 
+/* typically in course rights table*/
+td.text-left>div.form-inline>label.checkbox-inline>input[type='checkbox'] {
+	position: relative;
+}
+
 /* http://stackoverflow.com/questions/17408815/fieldset-resizes-wrong-appears-to-have-unremovable-min-width-min-content/17863685#17863685 */
 @-moz-document url-prefix() {
     fieldset {