404 error with a landscape

COLOR
ELEMENTS
background-simple
Birds
Clouds
Mountains
trees-2
Number
Floor
trees-1
Plants
Rocks
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
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0.04209 sec| 1136.555 kb