more parameters for Dannnmaku FollowTarget
set canvas center of page
add mask when pause
adjust layout
update Dannmaku FollowTarget
adjust layout
rename css class
update Dannmaku FollowTarget
adjust layout
add logo
adjust logo fonts
update if player hit
minor adjustment of logo fonts
new background image
add mask to simulate scene depth
adjust the mask
more frames for RES.pslow
update bg & mask