Update demo page and readme file
    - [html] redesigned the footer
    - [css] changed footer styles
    - [css] changed small screen media query
    - [css] added open sans via @import google font
    - [css] changed based font-family to open sans
    - [css] set open sans condensed in all heading tag
    - [css] removed display block from main sections
    - [md] added demo url in readme file
Remove line below status