Decrease the font size and the padding of the `.anchor` icons used in the README
_Originally opened at !2819 by @roperzh._
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## What does this MR do?
Removes an overlap between the anchor icons on the readme and the sidebar on small screens by reducing the size and the padding of the icon.
## Are there points in the code the reviewer needs to double check?
Probably someone in the Design / UX team will need to review if the solution makes sense.
## What are the relevant issue numbers?
Issue #13334
## Screenshots

See merge request !3150
Fixed quick submit on note edit
Also removed the cloning of forms for note edits. Instead it just hides/shows the form seeing as it is already there
Closes#14094
See merge request !3151
The method Project#ci_services would load all services into memory
(including _all_ their columns) and then use Enumerable#select to reduce
the list. Project#ci_service in turn would further reduce this list down
to just 1 Service instance.
Instead of doing all this in Ruby we can just offload the work to the
database, reducing the amount of time spent in these methods. These
changes reduce the time of the first call to Project#ci_services from
around 240 ms to around 10 ms, though the final timings will vary based
on database load. Because Project#ci_service is memoized there's no
further overhead introduced by using a database query.
Fixesgitlab-org/gitlab-ce#14186
Fixes issue with markdown snippet not being copyable
On markdown snippets this adds a hidden div with the raw markdown content so that it can be copied
Closes#13882
See merge request !3153
Commit limits
Prevent timeouts when creating/viewing Merge Requests with many
commits. Also, reduce the number of commits shown in the UI from 500
to 100.
Closes https://gitlab.com/gitlab-org/gitlab-ce/issues/14031
This MR avoids Unicorn timeouts in some places and takes 4.5 seconds
off load times in others, when manually testing with a 4500-commit
compare/MR in the linux repo. It does not limit the number of Commit
objects instantiated in memory, just the amount of HTML generated. It
seems that having 4500 commits objects is not a problem in itself. If
it ever becomes one we could do something for Commit objects like we
did for Diff (introduce a CommitCollection or something).
See merge request !3095
Use dedicated methods for counting branches and tags
This started out as "Lets add two methods to count and cache some data" and ended up in a clean-up/fix of some existing code. The two problems were:
1. Different code was used for adding/removing branches/tags via Git and the UI
2. The code used for the UI didn't have any RSpec tests, and I couldn't find any Spinach tests either (though grepping for Spinach stuff is hard)
This MR addresses the following:
1. `Repository#branch_count` and `Repository#tag_count` are used to count and cache the number of branches/tags, these methods are then used on the branches/commits/tags pages.
2. `Repository#add_tag`, `Repository#add_branch`, `Repository#rm_tag` and `Repository#rm_branch` now all the appropriate before/after hook methods instead of calling a random single cache expiration method. This ensures caches are properly flushed when adding/removing tags/branches via the UI.
3. RSpec tests were added for the above methods.
This fixes gitlab-org/gitlab-ce#13459
See merge request !3128
The methods used for this are Repository#tag_count and
Repository#branch_count which cache their output in Redis as well as
memoizing it in an instance variable. Both methods have a corresponding
methods/hooks to flush the caches at the right time.
Set cache headers for raw blobs
This changes allows browsers and (in the case of public projects)
proxy caches to cache raw Git blob responses.
See merge request !3113