add viewport
Squashed 'static/' changes from dd25958..d93495b

d93495b edit

git-subtree-dir: static
git-subtree-split: d93495b7c6995b0e9047561ee56494b86fb6e246
Merge commit 'e14d56c17746a9c7eb3a5bf6219503a65c5dbbfd'