diff --git a/Frontend/tools/xsd.html b/Frontend/tools/xsd.html
index 57e1f51..64da26c 100644
--- a/Frontend/tools/xsd.html
+++ b/Frontend/tools/xsd.html
@@ -11,7 +11,7 @@
 
 <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>
@@ -48,7 +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 061b46a..cab7360 100644
--- a/Frontend/tools/xslt.html
+++ b/Frontend/tools/xslt.html
@@ -11,7 +11,7 @@
 
 <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>
@@ -48,7 +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>
