Fixed description and layout

index.html

@@ -420,6 +420,52 @@
         </code>
       </div>
 
+      <div class="example-select">
+        <h1 class="example-select_title">Use callbacks</h1>
+      
+        <div class="layout-select">
+          <div class="col">
+            <p style="color: white;">When using a callback, you can pass in the first parameter such values ​​as: <span class="code__string">open, close, select, clear</span>.
+              <br>The second parameter is a function in which there are two parameters: <span class="code__string">state</span> and <span class="code__string">value</span>.
+              <br>The output of the value can be seen in the browser console.
+            </p>
+          </div>
+          <button class="cg-dropdown cg-dropdown_callback"></button>
+        </div>
+        <button type="button" class="check-code" id="callback">View code</button>
+
+        <code id="codeCallback">
+          <pre>
+            <span class="code__keyword">const</span> <span class="code__var">dropdown</span> = <span class="code__keyword">new</span> <span class="code__class">CGSelect</span>({
+              selector: <span class="code__string">'.cg-dropdown_categories',</span> 
+              placeholder: <span class="code__string">'Choose a car',</span> 
+              searchMode: <span class="code__keyword">true,</span>
+              items: [
+                  <span class="code__string">'BMW',</span>
+                  {
+                    id: <span class="code__string">'213sade',</span>
+                    title: <span class="code__string">'Opel',</span>
+                    value: 1,
+                  },
+                  <span class="code__string">'Mersedes',</span> 
+                  <span class="code__string">'MAN',</span>  
+                  <span class="code__string">'Ferari',</span> 
+              ],
+              styles: {
+                head: {
+                  width: <span class="code__string">'830px',</span> 
+                },
+                list: {
+                  width: <span class="code__string">'824px',</span> 
+                },
+              },
+              multiselect: <span class="code__keyword">true,</span>
+              multiselectTag: <span class="code__keyword">true,</span>
+            });
+          </pre>
+        </code>
+      </div>
+
       <div class="example-select">
         <h1 class="example-select_title">Button control</h1>
         <div style="margin-bottom: 15px">