Responsive tabs to accordion with Image Gallery with Fancybox
Navbar Username/Account Info Responsive - Display dropdown on desktop
Responsive CSS3 Menu Dropdown + Submenus Width Toggle Animation
bootstrap multi-level responsive menu with left side slide toggle for mobile devices
Bootstrap 3.3.0 base responsive portfolio base html module
register page and login page together fully responsive
"Responsive Navigation Menu"
Bootstrap Responsive Header | Bootstrap Header