diff --git a/_includes/icon-sm-git.svg b/_includes/icon-sm-git.svg
index 93c52a032..3a1ea806c 100644
--- a/_includes/icon-sm-git.svg
+++ b/_includes/icon-sm-git.svg
@@ -1 +1 @@
-
+
\ No newline at end of file
diff --git a/_includes/icon-sm-migration.svg b/_includes/icon-sm-migration.svg
index c2eba07a4..7070aabfd 100644
--- a/_includes/icon-sm-migration.svg
+++ b/_includes/icon-sm-migration.svg
@@ -1 +1 @@
-
+
\ No newline at end of file
diff --git a/_includes/logo-github-services.svg b/_includes/logo-github-services.svg
index e6186d742..c0e8b8968 100644
--- a/_includes/logo-github-services.svg
+++ b/_includes/logo-github-services.svg
@@ -1 +1 @@
-
+
\ No newline at end of file
diff --git a/assets/diagrams/commit-dag.svg b/assets/diagrams/commit-dag.svg
index 560f7f503..3354b197b 100644
--- a/assets/diagrams/commit-dag.svg
+++ b/assets/diagrams/commit-dag.svg
@@ -1,3770 +1 @@
-
-
-
-
+
\ No newline at end of file
diff --git a/assets/diagrams/commit-data-structure.svg b/assets/diagrams/commit-data-structure.svg
index 0e0120683..aa63ad77a 100644
--- a/assets/diagrams/commit-data-structure.svg
+++ b/assets/diagrams/commit-data-structure.svg
@@ -1,143 +1 @@
-
-
-
-
+
\ No newline at end of file
diff --git a/assets/diagrams/commit-three-stage-01.svg b/assets/diagrams/commit-three-stage-01.svg
index a4e456d3f..222b1205d 100644
--- a/assets/diagrams/commit-three-stage-01.svg
+++ b/assets/diagrams/commit-three-stage-01.svg
@@ -1,74 +1 @@
-
-
-
-
+
\ No newline at end of file
diff --git a/assets/diagrams/commit-three-stage-02.svg b/assets/diagrams/commit-three-stage-02.svg
index 79a7feec0..4c442d3ca 100644
--- a/assets/diagrams/commit-three-stage-02.svg
+++ b/assets/diagrams/commit-three-stage-02.svg
@@ -1,73 +1 @@
-
-
-
-
+
\ No newline at end of file
diff --git a/assets/diagrams/commit-three-stage-03.svg b/assets/diagrams/commit-three-stage-03.svg
index 7a3f3cb72..b01a8d164 100644
--- a/assets/diagrams/commit-three-stage-03.svg
+++ b/assets/diagrams/commit-three-stage-03.svg
@@ -1,73 +1 @@
-
-
-
-
+
\ No newline at end of file
diff --git a/assets/diagrams/commit-versions-01.svg b/assets/diagrams/commit-versions-01.svg
index fb5487dbd..2f4aa9b39 100644
--- a/assets/diagrams/commit-versions-01.svg
+++ b/assets/diagrams/commit-versions-01.svg
@@ -1,159 +1 @@
-
-
-
-
+
\ No newline at end of file
diff --git a/assets/diagrams/commit-versions-02.svg b/assets/diagrams/commit-versions-02.svg
index 92af394a3..84ced14c8 100644
--- a/assets/diagrams/commit-versions-02.svg
+++ b/assets/diagrams/commit-versions-02.svg
@@ -1,155 +1 @@
-
-
-
-
+
\ No newline at end of file
diff --git a/assets/diagrams/commit-versions-03.svg b/assets/diagrams/commit-versions-03.svg
index cab9ab0d1..29020cc14 100644
--- a/assets/diagrams/commit-versions-03.svg
+++ b/assets/diagrams/commit-versions-03.svg
@@ -1,151 +1 @@
-
-
-
-
+
\ No newline at end of file
diff --git a/assets/diagrams/diff-01.svg b/assets/diagrams/diff-01.svg
index a36c711f5..5f51b4c96 100644
--- a/assets/diagrams/diff-01.svg
+++ b/assets/diagrams/diff-01.svg
@@ -1,56 +1 @@
-
-
-
-
+
\ No newline at end of file
diff --git a/assets/diagrams/diff-02.svg b/assets/diagrams/diff-02.svg
index cc6d4cb71..764fd89be 100644
--- a/assets/diagrams/diff-02.svg
+++ b/assets/diagrams/diff-02.svg
@@ -1,56 +1 @@
-
-
-
-
+
\ No newline at end of file
diff --git a/assets/diagrams/diff-03.svg b/assets/diagrams/diff-03.svg
index 75a784fcd..e47e63b3b 100644
--- a/assets/diagrams/diff-03.svg
+++ b/assets/diagrams/diff-03.svg
@@ -1,57 +1 @@
-
-
-
-
+
\ No newline at end of file
diff --git a/assets/diagrams/direct-contribution.svg b/assets/diagrams/direct-contribution.svg
index 3aedcc0a5..da922b29d 100644
--- a/assets/diagrams/direct-contribution.svg
+++ b/assets/diagrams/direct-contribution.svg
@@ -1,74 +1 @@
-
-
-
-
+
\ No newline at end of file
diff --git a/assets/diagrams/distributed-version-control.svg b/assets/diagrams/distributed-version-control.svg
index a4dc8e9bb..3d8492bbe 100644
--- a/assets/diagrams/distributed-version-control.svg
+++ b/assets/diagrams/distributed-version-control.svg
@@ -1,119 +1 @@
-
-
-
-
+
\ No newline at end of file
diff --git a/assets/diagrams/fork-structure.svg b/assets/diagrams/fork-structure.svg
index 363666971..94d92b3cc 100644
--- a/assets/diagrams/fork-structure.svg
+++ b/assets/diagrams/fork-structure.svg
@@ -1,65 +1 @@
-
-
-
-
+
\ No newline at end of file
diff --git a/assets/diagrams/git-logo-black.svg b/assets/diagrams/git-logo-black.svg
index 1b1916db9..27020ed35 100644
--- a/assets/diagrams/git-logo-black.svg
+++ b/assets/diagrams/git-logo-black.svg
@@ -1,23 +1 @@
-
-
-
-
+
\ No newline at end of file
diff --git a/assets/diagrams/github-logo-black.svg b/assets/diagrams/github-logo-black.svg
index 56e066a52..b19e14426 100644
--- a/assets/diagrams/github-logo-black.svg
+++ b/assets/diagrams/github-logo-black.svg
@@ -1,35 +1 @@
-
-
-
-
+
\ No newline at end of file
diff --git a/assets/diagrams/merge-fast-forward-01.svg b/assets/diagrams/merge-fast-forward-01.svg
index 3ad68c917..7e08ac401 100644
--- a/assets/diagrams/merge-fast-forward-01.svg
+++ b/assets/diagrams/merge-fast-forward-01.svg
@@ -1,414 +1 @@
-
-
-
-
+
\ No newline at end of file
diff --git a/assets/diagrams/merge-fast-forward-02.svg b/assets/diagrams/merge-fast-forward-02.svg
index 77b1363a4..0aacf264e 100644
--- a/assets/diagrams/merge-fast-forward-02.svg
+++ b/assets/diagrams/merge-fast-forward-02.svg
@@ -1,257 +1 @@
-
-
-
-
+
\ No newline at end of file
diff --git a/assets/diagrams/merge-recursive-01.svg b/assets/diagrams/merge-recursive-01.svg
index 9b7cec78c..b67693049 100644
--- a/assets/diagrams/merge-recursive-01.svg
+++ b/assets/diagrams/merge-recursive-01.svg
@@ -1,253 +1 @@
-
-
-
-
+
\ No newline at end of file
diff --git a/assets/diagrams/merge-recursive-02.svg b/assets/diagrams/merge-recursive-02.svg
index 445a429bf..10faf1736 100644
--- a/assets/diagrams/merge-recursive-02.svg
+++ b/assets/diagrams/merge-recursive-02.svg
@@ -1,253 +1 @@
-
-
-
-
+
\ No newline at end of file
diff --git a/assets/diagrams/network.svg b/assets/diagrams/network.svg
index e25c64209..e39c28f40 100644
--- a/assets/diagrams/network.svg
+++ b/assets/diagrams/network.svg
@@ -1,156 +1 @@
-
-
-
-
+
\ No newline at end of file
diff --git a/assets/diagrams/rebase-01.svg b/assets/diagrams/rebase-01.svg
index 8e33d3209..b41cb69a4 100644
--- a/assets/diagrams/rebase-01.svg
+++ b/assets/diagrams/rebase-01.svg
@@ -1,199 +1 @@
-
-
-
-
+
\ No newline at end of file
diff --git a/assets/diagrams/rebase-02.svg b/assets/diagrams/rebase-02.svg
index 67da282a6..09d171ea4 100644
--- a/assets/diagrams/rebase-02.svg
+++ b/assets/diagrams/rebase-02.svg
@@ -1,188 +1 @@
-
-
-
-
+
\ No newline at end of file
diff --git a/assets/diagrams/rebase-03.svg b/assets/diagrams/rebase-03.svg
index 621e1ceba..79ee173bf 100644
--- a/assets/diagrams/rebase-03.svg
+++ b/assets/diagrams/rebase-03.svg
@@ -1,186 +1 @@
-
-
-
-
+
\ No newline at end of file
diff --git a/assets/diagrams/rebase-interactive-01.svg b/assets/diagrams/rebase-interactive-01.svg
index ad4a17ebf..68b19850b 100644
--- a/assets/diagrams/rebase-interactive-01.svg
+++ b/assets/diagrams/rebase-interactive-01.svg
@@ -1,244 +1 @@
-
-
-
-
+
\ No newline at end of file
diff --git a/assets/diagrams/rebase-interactive-02.svg b/assets/diagrams/rebase-interactive-02.svg
index c801422d1..a6c7d75ed 100644
--- a/assets/diagrams/rebase-interactive-02.svg
+++ b/assets/diagrams/rebase-interactive-02.svg
@@ -1,232 +1 @@
-
-
-
-
+
\ No newline at end of file
diff --git a/assets/diagrams/repo-clone.svg b/assets/diagrams/repo-clone.svg
index e3ff92065..11129d953 100644
--- a/assets/diagrams/repo-clone.svg
+++ b/assets/diagrams/repo-clone.svg
@@ -1,49 +1 @@
-
-
-
-
+
\ No newline at end of file
diff --git a/assets/diagrams/states-of-tracking-01.svg b/assets/diagrams/states-of-tracking-01.svg
index e3fbda637..b7dd575d9 100644
--- a/assets/diagrams/states-of-tracking-01.svg
+++ b/assets/diagrams/states-of-tracking-01.svg
@@ -1,215 +1 @@
-
-
-
-
+
\ No newline at end of file
diff --git a/assets/diagrams/states-of-tracking-02.svg b/assets/diagrams/states-of-tracking-02.svg
index fbb46297a..eb7c3caaf 100644
--- a/assets/diagrams/states-of-tracking-02.svg
+++ b/assets/diagrams/states-of-tracking-02.svg
@@ -1,216 +1 @@
-
-
-
-
+
\ No newline at end of file
diff --git a/assets/diagrams/states-of-tracking-03.svg b/assets/diagrams/states-of-tracking-03.svg
index 5b7c43515..20ae8216c 100644
--- a/assets/diagrams/states-of-tracking-03.svg
+++ b/assets/diagrams/states-of-tracking-03.svg
@@ -1,218 +1 @@
-
-
-
-
+
\ No newline at end of file
diff --git a/assets/diagrams/states-of-tracking-04.svg b/assets/diagrams/states-of-tracking-04.svg
index 77ac82067..7b1bd62b6 100644
--- a/assets/diagrams/states-of-tracking-04.svg
+++ b/assets/diagrams/states-of-tracking-04.svg
@@ -1,217 +1 @@
-
-
-
-
+
\ No newline at end of file
diff --git a/assets/diagrams/states-of-tracking-05.svg b/assets/diagrams/states-of-tracking-05.svg
index 855bc13d8..c32e83727 100644
--- a/assets/diagrams/states-of-tracking-05.svg
+++ b/assets/diagrams/states-of-tracking-05.svg
@@ -1,217 +1 @@
-
-
-
-
+
\ No newline at end of file
diff --git a/assets/diagrams/sync.svg b/assets/diagrams/sync.svg
index f69c095c3..5464135ae 100644
--- a/assets/diagrams/sync.svg
+++ b/assets/diagrams/sync.svg
@@ -1,15 +1 @@
-
-
-
-
+
\ No newline at end of file
diff --git a/assets/diagrams/tag.svg b/assets/diagrams/tag.svg
index 8d5ff0955..858d099cd 100644
--- a/assets/diagrams/tag.svg
+++ b/assets/diagrams/tag.svg
@@ -1,202 +1 @@
-
-
-
-
+
\ No newline at end of file
diff --git a/assets/diagrams/what-is-a-branch.svg b/assets/diagrams/what-is-a-branch.svg
index b0fca017e..dc53d19b0 100644
--- a/assets/diagrams/what-is-a-branch.svg
+++ b/assets/diagrams/what-is-a-branch.svg
@@ -1,148 +1 @@
-
-
-
-
+
\ No newline at end of file
diff --git a/assets/diagrams/what-is-a-commit.svg b/assets/diagrams/what-is-a-commit.svg
index 63e317141..f572628fc 100644
--- a/assets/diagrams/what-is-a-commit.svg
+++ b/assets/diagrams/what-is-a-commit.svg
@@ -1,55 +1 @@
-
-
-
-
+
\ No newline at end of file
diff --git a/assets/fonts/fontawesome-webfont.svg b/assets/fonts/fontawesome-webfont.svg
index 5a5f0ecd4..20f7d4ade 100644
--- a/assets/fonts/fontawesome-webfont.svg
+++ b/assets/fonts/fontawesome-webfont.svg
@@ -1,685 +1 @@
-
-
-
\ No newline at end of file
+
\ No newline at end of file
diff --git a/assets/logos/logo-git.svg b/assets/logos/logo-git.svg
index 0289315a7..4d6dfe806 100644
--- a/assets/logos/logo-git.svg
+++ b/assets/logos/logo-git.svg
@@ -1,34 +1 @@
-
-
-
-
+
\ No newline at end of file
diff --git a/assets/logos/logo-github.svg b/assets/logos/logo-github.svg
index 3d0bf9dab..fe1c3a3d0 100644
--- a/assets/logos/logo-github.svg
+++ b/assets/logos/logo-github.svg
@@ -1,41 +1 @@
-
-
-
-
+
\ No newline at end of file
diff --git a/assets/screenshots/terminal-repo-creation.jpg b/assets/screenshots/terminal-repo-creation.jpg
index 7dc6b630e..63395df34 100644
Binary files a/assets/screenshots/terminal-repo-creation.jpg and b/assets/screenshots/terminal-repo-creation.jpg differ
diff --git a/assets/screenshots/wikis-editing.jpg b/assets/screenshots/wikis-editing.jpg
index 85546d5d5..e93998112 100644
Binary files a/assets/screenshots/wikis-editing.jpg and b/assets/screenshots/wikis-editing.jpg differ
diff --git a/assets/screenshots/wikis-enabling.jpg b/assets/screenshots/wikis-enabling.jpg
index 4cd8bcd2c..005473c44 100644
Binary files a/assets/screenshots/wikis-enabling.jpg and b/assets/screenshots/wikis-enabling.jpg differ
diff --git a/assets/screenshots/wikis-nav.jpg b/assets/screenshots/wikis-nav.jpg
index abc795a9a..098dfb438 100644
Binary files a/assets/screenshots/wikis-nav.jpg and b/assets/screenshots/wikis-nav.jpg differ
diff --git a/images/about/cartoon.jpg b/images/about/cartoon.jpg
index 84ecfdf85..363ca6168 100644
Binary files a/images/about/cartoon.jpg and b/images/about/cartoon.jpg differ
diff --git a/images/about/collabocats.jpg b/images/about/collabocats.jpg
index 04e06b4c3..c0c5c7ee0 100644
Binary files a/images/about/collabocats.jpg and b/images/about/collabocats.jpg differ
diff --git a/images/about/forktocat.jpg b/images/about/forktocat.jpg
index aa220bb62..5c925598a 100644
Binary files a/images/about/forktocat.jpg and b/images/about/forktocat.jpg differ
diff --git a/images/about/inspectocat.jpg b/images/about/inspectocat.jpg
index b1294dbc0..805ceeacf 100644
Binary files a/images/about/inspectocat.jpg and b/images/about/inspectocat.jpg differ
diff --git a/images/atom.png b/images/atom.png
index bd59db3db..cbb459eec 100644
Binary files a/images/atom.png and b/images/atom.png differ
diff --git a/images/branch-icon.jpg b/images/branch-icon.jpg
index 05338edfd..13ab85ad0 100644
Binary files a/images/branch-icon.jpg and b/images/branch-icon.jpg differ
diff --git a/images/branch-icon0.jpg b/images/branch-icon0.jpg
index 05338edfd..13ab85ad0 100644
Binary files a/images/branch-icon0.jpg and b/images/branch-icon0.jpg differ
diff --git a/images/cherry-pick-after.png b/images/cherry-pick-after.png
index 34b72cd2e..ac20bfd92 100644
Binary files a/images/cherry-pick-after.png and b/images/cherry-pick-after.png differ
diff --git a/images/cherry-pick-before.png b/images/cherry-pick-before.png
index 4e15a1b82..ef6d83df3 100644
Binary files a/images/cherry-pick-before.png and b/images/cherry-pick-before.png differ
diff --git a/images/cherry-pick-reflog.png b/images/cherry-pick-reflog.png
index e0937066c..83fe59720 100644
Binary files a/images/cherry-pick-reflog.png and b/images/cherry-pick-reflog.png differ
diff --git a/images/clone-diagram.jpg b/images/clone-diagram.jpg
index 6cf58e11b..f47be846e 100644
Binary files a/images/clone-diagram.jpg and b/images/clone-diagram.jpg differ
diff --git a/images/clone-diagram0.jpg b/images/clone-diagram0.jpg
index c4ca86643..748ce5005 100644
Binary files a/images/clone-diagram0.jpg and b/images/clone-diagram0.jpg differ
diff --git a/images/cluster/m1.png b/images/cluster/m1.png
index 329ff524c..37ca9eb32 100644
Binary files a/images/cluster/m1.png and b/images/cluster/m1.png differ
diff --git a/images/cluster/m2.png b/images/cluster/m2.png
index b999cbcf6..8626c9e4d 100644
Binary files a/images/cluster/m2.png and b/images/cluster/m2.png differ
diff --git a/images/cluster/m3.png b/images/cluster/m3.png
index 9f30b3092..708dc0c49 100644
Binary files a/images/cluster/m3.png and b/images/cluster/m3.png differ
diff --git a/images/collaboration-features.jpg b/images/collaboration-features.jpg
index 8ceee27e4..0cbc4a8a9 100644
Binary files a/images/collaboration-features.jpg and b/images/collaboration-features.jpg differ
diff --git a/images/collaboration-features0.jpg b/images/collaboration-features0.jpg
index 8ceee27e4..0cbc4a8a9 100644
Binary files a/images/collaboration-features0.jpg and b/images/collaboration-features0.jpg differ
diff --git a/images/config-autocrlf.jpg b/images/config-autocrlf.jpg
index 1fa2d650b..57fe24c17 100644
Binary files a/images/config-autocrlf.jpg and b/images/config-autocrlf.jpg differ
diff --git a/images/config-editor.jpg b/images/config-editor.jpg
index d319016aa..bf26193f6 100644
Binary files a/images/config-editor.jpg and b/images/config-editor.jpg differ
diff --git a/images/config-levels.jpg b/images/config-levels.jpg
index 29bbc4765..8a6d5c0be 100644
Binary files a/images/config-levels.jpg and b/images/config-levels.jpg differ
diff --git a/images/config-levels0.jpg b/images/config-levels0.jpg
index 29bbc4765..8a6d5c0be 100644
Binary files a/images/config-levels0.jpg and b/images/config-levels0.jpg differ
diff --git a/images/config-list.jpg b/images/config-list.jpg
index 253b9a33a..ff706dc08 100644
Binary files a/images/config-list.jpg and b/images/config-list.jpg differ
diff --git a/images/config-push-default.jpg b/images/config-push-default.jpg
index dbef078dd..998d993b2 100644
Binary files a/images/config-push-default.jpg and b/images/config-push-default.jpg differ
diff --git a/images/config-username-email.jpg b/images/config-username-email.jpg
index a79e75549..936f8669f 100644
Binary files a/images/config-username-email.jpg and b/images/config-username-email.jpg differ
diff --git a/images/diff-options.jpg b/images/diff-options.jpg
index b1af386b0..58129a97e 100644
Binary files a/images/diff-options.jpg and b/images/diff-options.jpg differ
diff --git a/images/discussion-logo.jpg b/images/discussion-logo.jpg
index 1d9d3240b..5d81bb8d1 100644
Binary files a/images/discussion-logo.jpg and b/images/discussion-logo.jpg differ
diff --git a/images/discussion-logo0.jpg b/images/discussion-logo0.jpg
index 1d9d3240b..5d81bb8d1 100644
Binary files a/images/discussion-logo0.jpg and b/images/discussion-logo0.jpg differ
diff --git a/images/edit-icon.jpg b/images/edit-icon.jpg
index 5ba99b9db..1c9329948 100644
Binary files a/images/edit-icon.jpg and b/images/edit-icon.jpg differ
diff --git a/images/edit-icon0.jpg b/images/edit-icon0.jpg
index 5ba99b9db..1c9329948 100644
Binary files a/images/edit-icon0.jpg and b/images/edit-icon0.jpg differ
diff --git a/images/electron1.png b/images/electron1.png
index 49d95d59d..b9d1d0b36 100644
Binary files a/images/electron1.png and b/images/electron1.png differ
diff --git a/images/electron2.png b/images/electron2.png
index ee66fa47c..5ae02f589 100644
Binary files a/images/electron2.png and b/images/electron2.png differ
diff --git a/images/gh-training-logo-1x.png b/images/gh-training-logo-1x.png
index bc66962ab..2e271fa33 100644
Binary files a/images/gh-training-logo-1x.png and b/images/gh-training-logo-1x.png differ
diff --git a/images/gh-training-logo-2x.png b/images/gh-training-logo-2x.png
index f3fd583cb..1947951b0 100644
Binary files a/images/gh-training-logo-2x.png and b/images/gh-training-logo-2x.png differ
diff --git a/images/git-merge-recursive.png b/images/git-merge-recursive.png
index 64ac884e3..38c13ba5a 100644
Binary files a/images/git-merge-recursive.png and b/images/git-merge-recursive.png differ
diff --git a/images/git-merge.png b/images/git-merge.png
index d82310599..1db9d1a36 100644
Binary files a/images/git-merge.png and b/images/git-merge.png differ
diff --git a/images/git-rebase-after.png b/images/git-rebase-after.png
index e4741410e..5e8ae368e 100644
Binary files a/images/git-rebase-after.png and b/images/git-rebase-after.png differ
diff --git a/images/git-rebase-before.png b/images/git-rebase-before.png
index 9e8c90056..00327a6fe 100644
Binary files a/images/git-rebase-before.png and b/images/git-rebase-before.png differ
diff --git a/images/git-rebase.png b/images/git-rebase.png
index e75d85ca7..896165727 100644
Binary files a/images/git-rebase.png and b/images/git-rebase.png differ
diff --git a/images/git-version.jpg b/images/git-version.jpg
index 92cd1ce1f..534525691 100644
Binary files a/images/git-version.jpg and b/images/git-version.jpg differ
diff --git a/images/github-branches.jpg b/images/github-branches.jpg
index 2ecff85ca..c07eda850 100644
Binary files a/images/github-branches.jpg and b/images/github-branches.jpg differ
diff --git a/images/github-ecosystem.jpg b/images/github-ecosystem.jpg
index 0ed8b4950..bb44cf2ef 100644
Binary files a/images/github-ecosystem.jpg and b/images/github-ecosystem.jpg differ
diff --git a/images/github-ecosystem0.jpg b/images/github-ecosystem0.jpg
index 0ed8b4950..bb44cf2ef 100644
Binary files a/images/github-ecosystem0.jpg and b/images/github-ecosystem0.jpg differ
diff --git a/images/github-icon.jpg b/images/github-icon.jpg
index 552bfd817..828aab3c7 100644
Binary files a/images/github-icon.jpg and b/images/github-icon.jpg differ
diff --git a/images/github-icon0.jpg b/images/github-icon0.jpg
index 552bfd817..828aab3c7 100644
Binary files a/images/github-icon0.jpg and b/images/github-icon0.jpg differ
diff --git a/images/instructor-demonstration.png b/images/instructor-demonstration.png
index 543d879e2..90e365fee 100644
Binary files a/images/instructor-demonstration.png and b/images/instructor-demonstration.png differ
diff --git a/images/issues-icon.jpg b/images/issues-icon.jpg
index 2fa44e0ec..1a862f190 100644
Binary files a/images/issues-icon.jpg and b/images/issues-icon.jpg differ
diff --git a/images/issues-icon0.jpg b/images/issues-icon0.jpg
index 2fa44e0ec..1a862f190 100644
Binary files a/images/issues-icon0.jpg and b/images/issues-icon0.jpg differ
diff --git a/images/master-new-feature-merge.png b/images/master-new-feature-merge.png
index bb6294dfd..21e0003f4 100644
Binary files a/images/master-new-feature-merge.png and b/images/master-new-feature-merge.png differ
diff --git a/images/merge-logo.jpg b/images/merge-logo.jpg
index b6db54811..068318f1e 100644
Binary files a/images/merge-logo.jpg and b/images/merge-logo.jpg differ
diff --git a/images/merge-visual.jpg b/images/merge-visual.jpg
index 616ceef3f..966ed6c0b 100644
Binary files a/images/merge-visual.jpg and b/images/merge-visual.jpg differ
diff --git a/images/merge-visual0.jpg b/images/merge-visual0.jpg
index 616ceef3f..966ed6c0b 100644
Binary files a/images/merge-visual0.jpg and b/images/merge-visual0.jpg differ
diff --git a/images/octicons-bg.png b/images/octicons-bg.png
index aa2aab946..930919a70 100644
Binary files a/images/octicons-bg.png and b/images/octicons-bg.png differ
diff --git a/images/pull-request-icon.jpg b/images/pull-request-icon.jpg
index d764d24ee..9977bdc04 100644
Binary files a/images/pull-request-icon.jpg and b/images/pull-request-icon.jpg differ
diff --git a/images/pull-request-icon0.jpg b/images/pull-request-icon0.jpg
index d764d24ee..9977bdc04 100644
Binary files a/images/pull-request-icon0.jpg and b/images/pull-request-icon0.jpg differ
diff --git a/images/push-dropdowns.png b/images/push-dropdowns.png
index cc12e386f..dd05b5aec 100644
Binary files a/images/push-dropdowns.png and b/images/push-dropdowns.png differ
diff --git a/images/push-fetch-merge.jpg b/images/push-fetch-merge.jpg
index 93ca74c95..021b8d088 100644
Binary files a/images/push-fetch-merge.jpg and b/images/push-fetch-merge.jpg differ
diff --git a/images/push-pull.jpg b/images/push-pull.jpg
index 4fe3e992e..02590476d 100644
Binary files a/images/push-pull.jpg and b/images/push-pull.jpg differ
diff --git a/images/push-pull0.jpg b/images/push-pull0.jpg
index 4fe3e992e..02590476d 100644
Binary files a/images/push-pull0.jpg and b/images/push-pull0.jpg differ
diff --git a/images/red-polo.png b/images/red-polo.png
index 7435132d8..080ef617d 100644
Binary files a/images/red-polo.png and b/images/red-polo.png differ
diff --git a/images/repository-intro.jpg b/images/repository-intro.jpg
index db5e7788f..d127d8542 100644
Binary files a/images/repository-intro.jpg and b/images/repository-intro.jpg differ
diff --git a/images/repository-intro0.jpg b/images/repository-intro0.jpg
index db5e7788f..d127d8542 100644
Binary files a/images/repository-intro0.jpg and b/images/repository-intro0.jpg differ
diff --git a/images/repository-options.jpg b/images/repository-options.jpg
index d514718bc..db32dbada 100644
Binary files a/images/repository-options.jpg and b/images/repository-options.jpg differ
diff --git a/images/reset-mixed.png b/images/reset-mixed.png
index 933d6659b..7ccd94e41 100644
Binary files a/images/reset-mixed.png and b/images/reset-mixed.png differ
diff --git a/images/reset-modes.jpg b/images/reset-modes.jpg
index 221a283a8..aa46dc4b9 100644
Binary files a/images/reset-modes.jpg and b/images/reset-modes.jpg differ
diff --git a/images/reset-soft.png b/images/reset-soft.png
index e0d6527be..859336f83 100644
Binary files a/images/reset-soft.png and b/images/reset-soft.png differ
diff --git a/images/reset-visual.jpg b/images/reset-visual.jpg
index 92bff2883..96e5a270d 100644
Binary files a/images/reset-visual.jpg and b/images/reset-visual.jpg differ
diff --git a/images/skatetocat.png b/images/skatetocat.png
index 2b9c7b080..10ea46512 100644
Binary files a/images/skatetocat.png and b/images/skatetocat.png differ
diff --git a/images/training-materials-2x.png b/images/training-materials-2x.png
index 10fcbe39f..85a08a5b6 100644
Binary files a/images/training-materials-2x.png and b/images/training-materials-2x.png differ
diff --git a/images/training-materials-dark-2x.png b/images/training-materials-dark-2x.png
index 1fed04784..5bcf2170c 100644
Binary files a/images/training-materials-dark-2x.png and b/images/training-materials-dark-2x.png differ
diff --git a/images/two-stage-commit-a.jpg b/images/two-stage-commit-a.jpg
index 2ba0ef470..8be50772a 100644
Binary files a/images/two-stage-commit-a.jpg and b/images/two-stage-commit-a.jpg differ
diff --git a/images/two-stage-commit-a0.jpg b/images/two-stage-commit-a0.jpg
index 2ba0ef470..8be50772a 100644
Binary files a/images/two-stage-commit-a0.jpg and b/images/two-stage-commit-a0.jpg differ
diff --git a/images/two-stage-commit-b.jpg b/images/two-stage-commit-b.jpg
index ff14576d7..ba31112a3 100644
Binary files a/images/two-stage-commit-b.jpg and b/images/two-stage-commit-b.jpg differ
diff --git a/images/two-stage-commit-b0.jpg b/images/two-stage-commit-b0.jpg
index ff14576d7..ba31112a3 100644
Binary files a/images/two-stage-commit-b0.jpg and b/images/two-stage-commit-b0.jpg differ
diff --git a/images/two-stage-commit-c.jpg b/images/two-stage-commit-c.jpg
index 8782bf507..efa35b039 100644
Binary files a/images/two-stage-commit-c.jpg and b/images/two-stage-commit-c.jpg differ
diff --git a/images/two-stage-commit-c0.jpg b/images/two-stage-commit-c0.jpg
index 8782bf507..efa35b039 100644
Binary files a/images/two-stage-commit-c0.jpg and b/images/two-stage-commit-c0.jpg differ
diff --git a/images/two-stage-commit-d.jpg b/images/two-stage-commit-d.jpg
index 6e46d528d..62014e2d9 100644
Binary files a/images/two-stage-commit-d.jpg and b/images/two-stage-commit-d.jpg differ
diff --git a/images/two-stage-commit-d0.jpg b/images/two-stage-commit-d0.jpg
index 6e46d528d..62014e2d9 100644
Binary files a/images/two-stage-commit-d0.jpg and b/images/two-stage-commit-d0.jpg differ
diff --git a/images/two-stage-commit-e.jpg b/images/two-stage-commit-e.jpg
index 13e541c02..9030a5d82 100644
Binary files a/images/two-stage-commit-e.jpg and b/images/two-stage-commit-e.jpg differ
diff --git a/images/two-stage-commit-e0.jpg b/images/two-stage-commit-e0.jpg
index 13e541c02..9030a5d82 100644
Binary files a/images/two-stage-commit-e0.jpg and b/images/two-stage-commit-e0.jpg differ
diff --git a/resources/videos/assets/continuous-integration-continuous-delivery.png b/resources/videos/assets/continuous-integration-continuous-delivery.png
index 48f426f7b..95b1e275c 100644
Binary files a/resources/videos/assets/continuous-integration-continuous-delivery.png and b/resources/videos/assets/continuous-integration-continuous-delivery.png differ
diff --git a/resources/videos/assets/forking.png b/resources/videos/assets/forking.png
index 667135e9d..7fe784ba0 100644
Binary files a/resources/videos/assets/forking.png and b/resources/videos/assets/forking.png differ
diff --git a/resources/videos/assets/github-for-windows.png b/resources/videos/assets/github-for-windows.png
index b9f53b525..a1ff831b8 100644
Binary files a/resources/videos/assets/github-for-windows.png and b/resources/videos/assets/github-for-windows.png differ
diff --git a/resources/videos/assets/reset.png b/resources/videos/assets/reset.png
index b9ed43cbe..1520eeef1 100644
Binary files a/resources/videos/assets/reset.png and b/resources/videos/assets/reset.png differ
diff --git a/resources/videos/assets/what-is-github-pages.png b/resources/videos/assets/what-is-github-pages.png
index 2906548bf..643643b26 100644
Binary files a/resources/videos/assets/what-is-github-pages.png and b/resources/videos/assets/what-is-github-pages.png differ
diff --git a/resources/videos/assets/what-is-github.png b/resources/videos/assets/what-is-github.png
index 07aff8570..8c8c0b011 100644
Binary files a/resources/videos/assets/what-is-github.png and b/resources/videos/assets/what-is-github.png differ
diff --git a/resources/videos/assets/youtube-channel.png b/resources/videos/assets/youtube-channel.png
index 8905fa407..c5305744e 100644
Binary files a/resources/videos/assets/youtube-channel.png and b/resources/videos/assets/youtube-channel.png differ