initial tags scss file
display message if not tags are available under top tags section
update index.html for medium devices reponsiveness
use em for font sizes
decrease font size on button mixin
tweaks font sizes and margins for a better look
change footer background to black for anything <= medium breakpoint
add medium media queries to support medium devices
support medium sized devices
change comment styling
add medium devices support to top bar area
add hide/show content for medium sized devices
add medium media query to support medium devices