Creating another optical illusion with CSS.
As your eyes move around the page, the dots should change between white and black.
Simply made with a combination of background size and use of gradients.
Enjoy!
Created
September 15, 2016 18:30
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"changing dots" optical illusion w/ bg gradients😎😵
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| * | |
| box-sizing border-box | |
| animation fadeIn .5s | |
| $bg = #000 | |
| $fg = rgb(153, 153, 153) | |
| $cc = #fff | |
| $lw = 20% | |
| $bgSize = 100px | |
| body | |
| background linear-gradient(90deg, $fg, $fg $lw, transparent $lw, transparent 100%), | |
| linear-gradient(180deg, $fg, $fg $lw, $bg $lw, $bg 100%) | |
| background-size $bgSize $bgSize | |
| &:after | |
| content '' | |
| position fixed | |
| top 0 | |
| right 0 | |
| bottom 0 | |
| left 0 | |
| background radial-gradient(75% 75% at 20px 20px, $cc $lw, transparent $lw) | |
| background-size $bgSize $bgSize | |
| background-position -10px -10px | |
| @keyframes fadeIn | |
| from | |
| opacity 0 | |
| to | |
| opacity 1 |
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