better texts on homepage
better IGG banner on homepage
better IGG banner on community page
unify IGG banners across multiple pages
fix indiegogo unclickable button
update homepage graphics
add screenshot to the homepage
move devops features to homepage
hide tech features on the homepage
revise the sponsorship page
clean font rules and update mainpage styles
adjust font sizes and spaces on other subpages
merge font-unify branch
switch from bootstrap modal to cover-pop and add animation
refactor ufo animation, add close animation, fix mailchimp return html issue