diff --git a/Frontend/assets/css/tools/r11form.css b/Frontend/assets/css/tools/r11form.css
index f4af46e..1ac42a9 100644
--- a/Frontend/assets/css/tools/r11form.css
+++ b/Frontend/assets/css/tools/r11form.css
@@ -437,10 +437,6 @@
     content: "▼";
 }
 
-.content.active{
-    
-}
-
 .hiddable {
     display: none;
 }
@@ -479,6 +475,16 @@ textarea {
 	box-sizing: border-box;
 }
 
-code{
+code {
     line-height: 150%;
+}
+
+@media only screen and (max-width: 768px) {
+    .rwd-hideable {
+        display: none;
+    }
+
+    .rwd-expandable {
+        width: 100%;
+    }
 }
\ No newline at end of file
diff --git a/Frontend/tools/xpath.html b/Frontend/tools/xpath.html
index 776cc66..87d71ea 100644
--- a/Frontend/tools/xpath.html
+++ b/Frontend/tools/xpath.html
@@ -7,13 +7,14 @@
     <script src="../assets/scripts/tools/jquery-3.6.0.slim.min.js"></script>
     <link rel="stylesheet" href="../assets/css/tools/r11form.css">
     <script src="../assets/scripts/tools/scripts.js"></script>
+    <meta name="viewport" content="width=device-width, initial-scale=1.0">
     <meta charset="utf-8" />
 </head>
 
 <body onload="init();">
 
     <div class="container">
-        <div id="tool" class="tool">
+        <div id="tool" class="tool rwd-expandable">
             <div class="tool-context">
                 <div class="headline">
                     <h1>Online XPath tester <span class="versionInfo"><span class="version-span">v0.4</span></span></h1>
@@ -61,7 +62,7 @@
 
             </div>
         </div>
-        <div class="tooltip tooltip-window">
+        <div class="tooltip tooltip-window rwd-hideable">
             <h2>What is XPath?</h2>
             <p>XPath is a querry language used for selecting nodes from XML and processing them.<br>
                 It may perform operations on strings, numbers and boolean values.<br></p>
diff --git a/Frontend/tools/xsd.html b/Frontend/tools/xsd.html
index 84234bf..64da26c 100644
--- a/Frontend/tools/xsd.html
+++ b/Frontend/tools/xsd.html
@@ -5,12 +5,13 @@
     <!-- <link rel="stylesheet" href="styles.css"> -->
     <link rel="stylesheet" href="../assets/css/tools/r11form.css">
     <script src="../assets/scripts/tools/scripts.js"></script>
+    <meta name="viewport" content="width=device-width, initial-scale=1.0">
     <meta charset="utf-8" />
 </head>
 
 <body onload="init();">
     <div class="container">
-        <div id="tool" class="tool">
+        <div id="tool" class="tool rwd-expandable">
             <div class="tool-context">
                 <div class="headline">
                     <h1>Online XSD tester <span class="versionInfo"><span class="version-span">v0.4 BETA</span></span>
@@ -47,7 +48,7 @@
 
             </div>
         </div>
-        <div class="tooltip-window">
+        <div class="tooltip-window rwd-hideable">
             <h2>What is XSD?</h2>
             <p><b>XSD is a W3C recomedation that specifies how to describe the elements in XML document</b></p>
                 <p>XSD specifies data types, order and arity of elements in XML file.<br>
diff --git a/Frontend/tools/xslt.html b/Frontend/tools/xslt.html
index 131fd3a..cab7360 100644
--- a/Frontend/tools/xslt.html
+++ b/Frontend/tools/xslt.html
@@ -5,12 +5,13 @@
     <!-- <link rel="stylesheet" href="styles.css"> -->
     <link rel="stylesheet" href="../assets/css/tools/r11form.css">
     <script src="../assets/scripts/tools/scripts.js"></script>
+    <meta name="viewport" content="width=device-width, initial-scale=1.0">
     <meta charset="utf-8" />
 </head>
 
 <body onload="init();">
     <div class="container">
-        <div id="tool" class="tool">
+        <div id="tool" class="tool rwd-expandable">
             <div class="tool-context">
                 <div class="headline">
                     <h1>Online XSLT tester <span class="versionInfo"><span class="version-span">v0.4</span></span></h1>
@@ -47,7 +48,7 @@
 
             </div>
         </div>
-        <div class="tooltip tooltip-window">
+        <div class="tooltip tooltip-window rwd-hideable">
             <h2>What is XSLT?</h2>
             <p>XSLT is a language for transforming XML documents into other documents such as XML, HTML and many
                 other.<br></p>
