diff --git a/questionary.js b/questionary.js
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+++ b/questionary.js
@@ -0,0 +1,118 @@
+// ==UserScript==
+// @name         Runcity Questionary
+// @namespace    http://tampermonkey.net/
+// @version      2024-11-18
+// @description  Prettify pages & store data on server
+// @author       You
+// @match        https://www.runcity.org/ru/events/*/online/
+// @icon         https://www.google.com/s2/favicons?sz=64&domain=runcity.org
+// @grant        none
+// @require https://code.jquery.com/jquery-3.7.1.min.js
+// @require https://cdn.jsdelivr.net/npm/select2@4.1.0-rc.0/dist/js/select2.min.js
+// @require https://cdn.jsdelivr.net/npm/swiper@11/swiper-bundle.min.js
+// ==/UserScript==
+
+(function () {
+  'use strict'
+
+  /* COPY FROM MAIN */
+
+  class Tag {
+    static make(name, params) {
+      let element = document.createElement(name)
+      for (const [name, value] of Object.entries(params)) {
+        if (name == "on") {
+          for (const [event, listener] of Object.entries(value)) {
+            element.addEventListener(event, listener)
+          }
+        }
+        else if (name == "classes") {
+          element.classList.add(...value.split(" "))
+        }
+        else if (name == "children") {
+          element.append(...value)
+        }
+        else if (name.startsWith("_")) {
+          element.setAttribute(name.substring(1), value)
+        }
+        else
+          element[name] = value
+      }
+
+      return element
+    }
+
+    static div(params) {
+      return this.make("div", params)
+    }
+
+    static span(params) {
+      return this.make("span", params)
+    }
+
+    static button(params) {
+      return this.make("button", params)
+    }
+
+    static input(params) {
+      return this.make("input", params)
+    }
+  }
+
+  function addStylesToHead(styles) {
+    let styleSheet = document.createElement("style")
+    styleSheet.textContent = styles
+    document.head.append(styleSheet)
+  }
+
+  /* END COPY FROM MAIN */
+
+  function addEmptyCheckForSubmitButton() {
+    let saveButton = document.querySelector(`.check-answers-saved`)
+    let inputs = document.querySelectorAll(`input.cp_team_answer`)
+
+    inputs.forEach(el => el.addEventListener("focus", e => el.classList.remove("empty-input")))
+
+    let pseudoSaveButton = Tag.div({
+      id: "pseudo-save",
+      on: {
+        click: function (e) {
+          e.stopPropagation()
+
+          let canSend = true
+          for (const input of inputs) {
+            if (input.value.trim() == "") {
+              input.classList.add("empty-input")
+              canSend = false
+            }
+          }
+
+          if (canSend) {
+            saveButton.click()
+          }
+        }
+      }
+    })
+    saveButton.append(pseudoSaveButton)
+
+    addStylesToHead(`
+      .check-answers-saved {
+        position: relative;
+
+        #pseudo-save {
+          position: absolute;
+          top: 0;
+          bottom: 0;
+          left: 0;
+          right: 0;
+        }
+      }
+
+      .empty-input {
+        border-color: red !important;
+      }
+    `)
+  }
+
+  addEmptyCheckForSubmitButton()
+})();
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