diff --git a/frontend/js/exam-prep/mock.js b/frontend/js/exam-prep/mock.js
index 9b563b3..31b1e44 100644
--- a/frontend/js/exam-prep/mock.js
+++ b/frontend/js/exam-prep/mock.js
@@ -71,7 +71,7 @@
             </div>
             <div class="mk-source-body">
               <label>Вариант:
-                <select id="mk-variant-input" class="mk-input">${vOpts || '<option value="">—</option>'}</select>
+                <select id="mk-variant-input" class="mk-input" style="width:auto;min-width:14rem;max-width:100%">${vOpts || '<option value="">—</option>'}</select>
               </label>
               <div class="mk-source-hint">Один из ${vlist.length} готовых вариантов целиком.</div>
             </div>