Hide Recycle Bin and All site content SharePoint 2010

• Open a notepad
• write the below script and save it

<style>

.s4-specialNavLinkList {

display:none;

}

</style>

• Upload this txt file to a Document Library in SharePoint 2010 site
• Open required sharepoint iste-->Site actions-->Edit page-->Insert Webpart-->Select "Content Editor webpart"-->Enter the URL of the txt file in Content Link section
• Click on Layout-->check the option"Hidden" and click OK.