content-ctr
header-content-ctr
header-content
header-content
You only see the header here. If you click the button,
the page will jump into the main content.
the page will jump into the main content.
main-content-ctr
main-content
main-content
main-content .par -> This is the main content. In this area,
the header will be hidden. Click the button to jump on top.
the header will be hidden. Click the button to jump on top.
subheader
header-bg
material scroll animation