update responsive

contact-us.html

@@ -17,8 +17,8 @@
                     <img src="./assets/image/logo.png" alt="">
                 </div>
                 <div class="header-side">
-                    <div>
-                        <a class="white-btn" href="">Contact us</a>
+                    <div class="hs-side">
+                        <a class="white-btn" href="./index.html">Home</a>
                         <a class="blue-btn" href="">Login</a>
                     </div>
                     <div class="select-box js-do-flag">
@@ -38,7 +38,7 @@
 
 
 
-    <section class="main-section">
+    <section class="main-section contact-us">
         <img class="effect-one" src="./assets/image/effect-1.svg" alt="">
 
         <div class="container">
@@ -108,7 +108,7 @@
 
 
     <footer>
-        <div class="footer">
+        <div class="footer contact-us">
             <img class="effect-2" src="./assets/image/effect-2.png" alt="">
 
             <div class="container">