start of main page
correct right for file fonts/Roboto-Light.ttf
WI logo link title
progress of header
dynamic separator width for "nav.main_menu" in header
dynamic margin-left for "nav.sub_menu"
Refactoring of header.js

1. Moved some number values to values.js;
2. Wrapped some math for more obvious.
html5 tags fixed for IE8
plug for old ie (less than 8)
fixed ".first_line" position for IE8 and fixed wi logo in footer hover styles for IE8
fixed hide site styles for IE<8
added some indent for IE8 html5
resorted IE condition comments
added some comments to footer.less
start of top area in main page
main page resizing areas started and show/hide for header
refactoring of centering .logo_2
renamed "area(s)" to "card(s)" and added active icon of "V"-button
jitter for scroll down, backgrounds of cards resizing, start of second card
finished .card.card_2