diff --git a/.idea/ResponsiveDesign.iml b/.idea/ResponsiveDesign.iml
new file mode 100644
index 0000000..24643cc
--- /dev/null
+++ b/.idea/ResponsiveDesign.iml
@@ -0,0 +1,12 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<module type="WEB_MODULE" version="4">
+  <component name="NewModuleRootManager">
+    <content url="file://$MODULE_DIR$">
+      <excludeFolder url="file://$MODULE_DIR$/.tmp" />
+      <excludeFolder url="file://$MODULE_DIR$/temp" />
+      <excludeFolder url="file://$MODULE_DIR$/tmp" />
+    </content>
+    <orderEntry type="inheritedJdk" />
+    <orderEntry type="sourceFolder" forTests="false" />
+  </component>
+</module>
\ No newline at end of file
diff --git a/.idea/modules.xml b/.idea/modules.xml
new file mode 100644
index 0000000..36e3314
--- /dev/null
+++ b/.idea/modules.xml
@@ -0,0 +1,8 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<project version="4">
+  <component name="ProjectModuleManager">
+    <modules>
+      <module fileurl="file://$PROJECT_DIR$/.idea/ResponsiveDesign.iml" filepath="$PROJECT_DIR$/.idea/ResponsiveDesign.iml" />
+    </modules>
+  </component>
+</project>
\ No newline at end of file
diff --git a/.idea/vcs.xml b/.idea/vcs.xml
new file mode 100644
index 0000000..94a25f7
--- /dev/null
+++ b/.idea/vcs.xml
@@ -0,0 +1,6 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<project version="4">
+  <component name="VcsDirectoryMappings">
+    <mapping directory="$PROJECT_DIR$" vcs="Git" />
+  </component>
+</project>
\ No newline at end of file
diff --git a/.idea/workspace.xml b/.idea/workspace.xml
new file mode 100644
index 0000000..292a580
--- /dev/null
+++ b/.idea/workspace.xml
@@ -0,0 +1,202 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<project version="4">
+  <component name="ChangeListManager">
+    <list default="true" id="d6ba47b0-f667-41bf-bc1e-680bd12cd7cf" name="Default" comment="" />
+    <ignored path="$PROJECT_DIR$/.tmp/" />
+    <ignored path="$PROJECT_DIR$/temp/" />
+    <ignored path="$PROJECT_DIR$/tmp/" />
+    <option name="EXCLUDED_CONVERTED_TO_IGNORED" value="true" />
+    <option name="TRACKING_ENABLED" value="true" />
+    <option name="SHOW_DIALOG" value="false" />
+    <option name="HIGHLIGHT_CONFLICTS" value="true" />
+    <option name="HIGHLIGHT_NON_ACTIVE_CHANGELIST" value="false" />
+    <option name="LAST_RESOLUTION" value="IGNORE" />
+  </component>
+  <component name="FileEditorManager">
+    <leaf>
+      <file leaf-file-name="columndrop.html" pinned="false" current-in-tab="false">
+        <entry file="file://$PROJECT_DIR$/Workspace/columndrop.html">
+          <provider selected="true" editor-type-id="text-editor">
+            <state relative-caret-position="0">
+              <caret line="0" column="0" lean-forward="false" selection-start-line="0" selection-start-column="0" selection-end-line="0" selection-end-column="0" />
+              <folding />
+            </state>
+          </provider>
+        </entry>
+      </file>
+      <file leaf-file-name="CDStyle.css" pinned="false" current-in-tab="false">
+        <entry file="file://$PROJECT_DIR$/Arvind-Kalra/Column Drop/CDStyle.css">
+          <provider selected="true" editor-type-id="text-editor">
+            <state relative-caret-position="0">
+              <caret line="0" column="0" lean-forward="false" selection-start-line="0" selection-start-column="0" selection-end-line="0" selection-end-column="0" />
+              <folding />
+            </state>
+          </provider>
+        </entry>
+      </file>
+      <file leaf-file-name="index.html" pinned="false" current-in-tab="true">
+        <entry file="file://$PROJECT_DIR$/Arvind-Kalra/Column Drop/index.html">
+          <provider selected="true" editor-type-id="text-editor">
+            <state relative-caret-position="300">
+              <caret line="15" column="24" lean-forward="false" selection-start-line="15" selection-start-column="24" selection-end-line="15" selection-end-column="24" />
+              <folding />
+            </state>
+          </provider>
+        </entry>
+      </file>
+    </leaf>
+  </component>
+  <component name="Git.Settings">
+    <option name="RECENT_GIT_ROOT_PATH" value="$PROJECT_DIR$" />
+  </component>
+  <component name="JsBuildToolGruntFileManager" detection-done="true" sorting="DEFINITION_ORDER" />
+  <component name="JsBuildToolPackageJson" detection-done="true" sorting="DEFINITION_ORDER" />
+  <component name="JsGulpfileManager">
+    <detection-done>true</detection-done>
+    <sorting>DEFINITION_ORDER</sorting>
+  </component>
+  <component name="ProjectFrameBounds" extendedState="6" fullScreen="true">
+    <option name="y" value="22" />
+    <option name="width" value="1440" />
+    <option name="height" value="824" />
+  </component>
+  <component name="ProjectView">
+    <navigator currentView="ProjectPane" proportions="" version="1">
+      <flattenPackages />
+      <showMembers />
+      <showModules />
+      <showLibraryContents />
+      <hideEmptyPackages />
+      <abbreviatePackageNames />
+      <autoscrollToSource />
+      <autoscrollFromSource />
+      <sortByType />
+      <manualOrder />
+      <foldersAlwaysOnTop value="true" />
+    </navigator>
+    <panes>
+      <pane id="Scope" />
+      <pane id="Scratches" />
+      <pane id="ProjectPane">
+        <subPane>
+          <expand>
+            <path>
+              <item name="ResponsiveDesign" type="b2602c69:ProjectViewProjectNode" />
+              <item name="ResponsiveDesign" type="462c0819:PsiDirectoryNode" />
+            </path>
+            <path>
+              <item name="ResponsiveDesign" type="b2602c69:ProjectViewProjectNode" />
+              <item name="ResponsiveDesign" type="462c0819:PsiDirectoryNode" />
+              <item name="Arvind-Kalra" type="462c0819:PsiDirectoryNode" />
+            </path>
+            <path>
+              <item name="ResponsiveDesign" type="b2602c69:ProjectViewProjectNode" />
+              <item name="ResponsiveDesign" type="462c0819:PsiDirectoryNode" />
+              <item name="Arvind-Kalra" type="462c0819:PsiDirectoryNode" />
+              <item name="Column Drop" type="462c0819:PsiDirectoryNode" />
+            </path>
+          </expand>
+          <select />
+        </subPane>
+      </pane>
+    </panes>
+  </component>
+  <component name="PropertiesComponent">
+    <property name="nodejs_interpreter_path.stuck_in_default_project" value="undefined stuck path" />
+    <property name="WebServerToolWindowFactoryState" value="false" />
+    <property name="last_opened_file_path" value="$PROJECT_DIR$" />
+    <property name="HbShouldOpenHtmlAsHb" value="" />
+    <property name="HbShouldOpenHtmlAsHb" value="" />
+  </component>
+  <component name="RunDashboard">
+    <option name="ruleStates">
+      <list>
+        <RuleState>
+          <option name="name" value="ConfigurationTypeDashboardGroupingRule" />
+        </RuleState>
+        <RuleState>
+          <option name="name" value="StatusDashboardGroupingRule" />
+        </RuleState>
+      </list>
+    </option>
+  </component>
+  <component name="ShelveChangesManager" show_recycled="false">
+    <option name="remove_strategy" value="false" />
+  </component>
+  <component name="SvnConfiguration">
+    <configuration />
+  </component>
+  <component name="TaskManager">
+    <task active="true" id="Default" summary="Default task">
+      <changelist id="d6ba47b0-f667-41bf-bc1e-680bd12cd7cf" name="Default" comment="" />
+      <created>1515828123621</created>
+      <option name="number" value="Default" />
+      <option name="presentableId" value="Default" />
+      <updated>1515828123621</updated>
+      <workItem from="1515828124978" duration="655000" />
+    </task>
+    <servers />
+  </component>
+  <component name="TimeTrackingManager">
+    <option name="totallyTimeSpent" value="655000" />
+  </component>
+  <component name="ToolWindowManager">
+    <frame x="0" y="0" width="1440" height="900" extended-state="6" />
+    <editor active="true" />
+    <layout>
+      <window_info id="Project" active="false" anchor="left" auto_hide="false" internal_type="DOCKED" type="DOCKED" visible="false" show_stripe_button="true" weight="0.25" sideWeight="0.5" order="0" side_tool="false" content_ui="combo" />
+      <window_info id="TODO" active="false" anchor="bottom" auto_hide="false" internal_type="DOCKED" type="DOCKED" visible="false" show_stripe_button="true" weight="0.33" sideWeight="0.5" order="6" side_tool="false" content_ui="tabs" />
+      <window_info id="Docker" active="false" anchor="bottom" auto_hide="false" internal_type="DOCKED" type="DOCKED" visible="false" show_stripe_button="false" weight="0.33" sideWeight="0.5" order="-1" side_tool="false" content_ui="tabs" />
+      <window_info id="Event Log" active="false" anchor="bottom" auto_hide="false" internal_type="DOCKED" type="DOCKED" visible="false" show_stripe_button="true" weight="0.33" sideWeight="0.5" order="-1" side_tool="true" content_ui="tabs" />
+      <window_info id="Run" active="false" anchor="bottom" auto_hide="false" internal_type="DOCKED" type="DOCKED" visible="false" show_stripe_button="true" weight="0.33" sideWeight="0.5" order="2" side_tool="false" content_ui="tabs" />
+      <window_info id="Version Control" active="false" anchor="bottom" auto_hide="false" internal_type="DOCKED" type="DOCKED" visible="false" show_stripe_button="true" weight="0.33" sideWeight="0.5" order="-1" side_tool="false" content_ui="tabs" />
+      <window_info id="Structure" active="false" anchor="left" auto_hide="false" internal_type="DOCKED" type="DOCKED" visible="false" show_stripe_button="true" weight="0.25" sideWeight="0.5" order="1" side_tool="false" content_ui="tabs" />
+      <window_info id="Terminal" active="false" anchor="bottom" auto_hide="false" internal_type="DOCKED" type="DOCKED" visible="false" show_stripe_button="true" weight="0.33" sideWeight="0.5" order="-1" side_tool="false" content_ui="tabs" />
+      <window_info id="Debug" active="false" anchor="bottom" auto_hide="false" internal_type="DOCKED" type="DOCKED" visible="false" show_stripe_button="true" weight="0.4" sideWeight="0.5" order="3" side_tool="false" content_ui="tabs" />
+      <window_info id="Favorites" active="false" anchor="left" auto_hide="false" internal_type="DOCKED" type="DOCKED" visible="false" show_stripe_button="true" weight="0.33" sideWeight="0.5" order="-1" side_tool="true" content_ui="tabs" />
+      <window_info id="Cvs" active="false" anchor="bottom" auto_hide="false" internal_type="DOCKED" type="DOCKED" visible="false" show_stripe_button="true" weight="0.25" sideWeight="0.5" order="4" side_tool="false" content_ui="tabs" />
+      <window_info id="Hierarchy" active="false" anchor="right" auto_hide="false" internal_type="DOCKED" type="DOCKED" visible="false" show_stripe_button="true" weight="0.25" sideWeight="0.5" order="2" side_tool="false" content_ui="combo" />
+      <window_info id="Message" active="false" anchor="bottom" auto_hide="false" internal_type="DOCKED" type="DOCKED" visible="false" show_stripe_button="true" weight="0.33" sideWeight="0.5" order="0" side_tool="false" content_ui="tabs" />
+      <window_info id="Commander" active="false" anchor="right" auto_hide="false" internal_type="DOCKED" type="DOCKED" visible="false" show_stripe_button="true" weight="0.4" sideWeight="0.5" order="0" side_tool="false" content_ui="tabs" />
+      <window_info id="Find" active="false" anchor="bottom" auto_hide="false" internal_type="DOCKED" type="DOCKED" visible="false" show_stripe_button="true" weight="0.33" sideWeight="0.5" order="1" side_tool="false" content_ui="tabs" />
+      <window_info id="Inspection" active="false" anchor="bottom" auto_hide="false" internal_type="DOCKED" type="DOCKED" visible="false" show_stripe_button="true" weight="0.4" sideWeight="0.5" order="5" side_tool="false" content_ui="tabs" />
+      <window_info id="Ant Build" active="false" anchor="right" auto_hide="false" internal_type="DOCKED" type="DOCKED" visible="false" show_stripe_button="true" weight="0.25" sideWeight="0.5" order="1" side_tool="false" content_ui="tabs" />
+    </layout>
+  </component>
+  <component name="TypeScriptGeneratedFilesManager">
+    <option name="version" value="1" />
+  </component>
+  <component name="VcsContentAnnotationSettings">
+    <option name="myLimit" value="2678400000" />
+  </component>
+  <component name="XDebuggerManager">
+    <breakpoint-manager />
+    <watches-manager />
+  </component>
+  <component name="editorHistoryManager">
+    <entry file="file://$PROJECT_DIR$/Workspace/columndrop.html">
+      <provider selected="true" editor-type-id="text-editor">
+        <state relative-caret-position="0">
+          <caret line="0" column="0" lean-forward="false" selection-start-line="0" selection-start-column="0" selection-end-line="0" selection-end-column="0" />
+          <folding />
+        </state>
+      </provider>
+    </entry>
+    <entry file="file://$PROJECT_DIR$/Arvind-Kalra/Column Drop/CDStyle.css">
+      <provider selected="true" editor-type-id="text-editor">
+        <state relative-caret-position="0">
+          <caret line="0" column="0" lean-forward="false" selection-start-line="0" selection-start-column="0" selection-end-line="0" selection-end-column="0" />
+          <folding />
+        </state>
+      </provider>
+    </entry>
+    <entry file="file://$PROJECT_DIR$/Arvind-Kalra/Column Drop/index.html">
+      <provider selected="true" editor-type-id="text-editor">
+        <state relative-caret-position="300">
+          <caret line="15" column="24" lean-forward="false" selection-start-line="15" selection-start-column="24" selection-end-line="15" selection-end-column="24" />
+          <folding />
+        </state>
+      </provider>
+    </entry>
+  </component>
+</project>
\ No newline at end of file
diff --git a/WinterBatch2018/Yogesh/Column Drop/CloumnDrop.html b/WinterBatch2018/Yogesh/Column Drop/CloumnDrop.html
new file mode 100644
index 0000000..43ab43a
--- /dev/null
+++ b/WinterBatch2018/Yogesh/Column Drop/CloumnDrop.html	
@@ -0,0 +1,24 @@
+<!DOCTYPE html>
+<html lang="en">
+<head>
+    <meta charset="UTF-8">
+    <title>ColumnDrop</title>
+    <link rel="stylesheet" href="styleColumnDrop.css">
+</head>
+<body>
+<div class="big-box">
+
+    <div class="box1">
+        <div class="subbox1">
+
+        </div>
+        <div class="subbox2">
+
+        </div>
+    </div>
+    <div class="box2">
+
+    </div>
+</div>
+</body>
+</html>
\ No newline at end of file
diff --git a/WinterBatch2018/Yogesh/Column Drop/styleColumnDrop.css b/WinterBatch2018/Yogesh/Column Drop/styleColumnDrop.css
new file mode 100644
index 0000000..b6810bc
--- /dev/null
+++ b/WinterBatch2018/Yogesh/Column Drop/styleColumnDrop.css	
@@ -0,0 +1,90 @@
+.big-box{
+    display: flex;
+    flex-wrap: wrap;
+    justify-content: center;
+    width: 100%;
+    height: 1000px;
+}
+.box1{
+    width: 100%;
+    height: 1000px;
+}
+.box2{
+    width: 100%;
+    height: 200px;
+    background-color: aqua;
+}
+.subbox1{
+    width: 100%;
+    height: 70%;
+    background-color: darkblue;
+}
+.subbox2{
+    width: 100%;
+    height: 30%;
+    background-color: blue;
+}
+
+@media screen and (min-width: 500px) and (max-width: 1000px){
+    .box1{
+        width: 600px;
+    }
+.subbox1{
+    height: 50%;
+}
+    .subbox2{
+        height: 50%;
+    }
+    .box2{
+        height: 300px;
+    }
+}
+
+@media screen  and (min-width: 1000px) and (max-width: 1400px){
+    .big-box{
+        width: 1000px;
+        /*flex-wrap: wrap;*/
+        margin: auto auto;
+        justify-content: center;
+    }
+.box1{
+    height: 65%;
+    display: flex;
+
+}
+    .subbox1{
+        width: 30%;
+        height: 100%;
+    }
+    .subbox2{
+        width: 70%;
+        height: 100%;
+    }
+    .box2{
+        height: 35%;
+    }
+}
+@media screen and (min-width: 1400px) {
+    .big-box{
+        width: 100%;
+        max-width: 1400px;
+        margin: auto auto;
+    }
+    .box1{
+        width: 66%;
+        height: 100%;
+        display: flex;
+    }
+    .subbox1{
+        width: 50%;
+        height: 100%;
+    }
+    .subbox2{
+        width: 50%;
+        height: 100%;
+    }
+    .box2{
+        width: 34%;
+        height: 100%;
+    }
+}
\ No newline at end of file
diff --git a/WinterBatch2018/Yogesh/README.txt b/WinterBatch2018/Yogesh/README.txt
new file mode 100644
index 0000000..4e44fad
--- /dev/null
+++ b/WinterBatch2018/Yogesh/README.txt
@@ -0,0 +1,2 @@
+WINTER BATCH 2018
+NAME : YOGESH MEENA