404 error with portals

COLOR
ELEMENTS
background-complete
background-simple
Stars
portal-4
portal-3
portal-2
portal-1
Texts
character-part-2
character-part-1
Reset Randomize! Run
ENTRANCE
Fade In
Slide Up
Zoom In
Slide Down
Slide Right
Slide Left
Zoom Out
Light Left
Light Right
LOOPING
Shake
Spin
Floating
Heartbeat
Wind
Duration
s
Delay
s
Select elements to apply effects!
Export
Coppy the code
x
0.02702 sec| 1402.438 kb