У вашего броузера проблема в совместимости с HTML5
A tutorial about making a Simple DIY Aquarium background made using Great Stuff foam, sand and MInwax clear spray.
https://www.facebook.com/NativeFishKeepers?ref=hl
Supply List:
Great Stuff Foam https://www.amazon.com/gp/product/B0002YX98O/ref=as_li_tl?ie=UTF8&camp=1789&creative=9325&creativeASIN=B0002YX98O&linkCode=as2&tag=natfiskee-20&linkId=9b2b39f40935238b9021d42fd5e6dabf
Minwax Clear Spray-https://www.amazon.com/gp/product/B0009XELPS/ref=as_li_tl?ie=UTF8&camp=1789&creative=9325&creativeASIN=B0009XELPS&linkCode={{linkCode}}&tag=natfiskee-20&linkId={{link_id}}
DAP 100% Silicone- https://www.amazon.com/gp/product/B000BD0QAK/ref=as_li_tl?ie=UTF8&camp=1789&creative=9325&creativeASIN=B000BD0QAK&linkCode={{linkCode}}&tag=natfiskee-20&linkId={{link_id}}
Foam Board-https://www.amazon.com/gp/product/B0054JF5L6/ref=as_li_tl?ie=UTF8&camp=1789&creative=9325&creativeASIN=B0054JF5L6&linkCode={{linkCode}}&tag=natfiskee-20&linkId={{link_id}}