How this works?

How this works?
0.0 0

#1

pen: [ https://codepen.io/tholman/pen/EyEkVY?editors=1100 ]

try setting 41 line in css to 50%.

How there is this moving object and also background behind?


#2

Set it to 1% for a seizure :smiley:


#3

and set
background-repeat: no-repeat;
:slight_smile: