gitea/templates/repo/navbar.tmpl

<div class="ui fluid vertical menu">
	<a class="{{if .PageIsPulse}}active {{end}}item" href="{{.RepoLink}}/activity">
		{{ctx.Locale.Tr "repo.activity.navbar.pulse"}}
	</a>
	<a class="{{if .PageIsContributors}}active {{end}}item" href="{{.RepoLink}}/activity/contributors">
		{{ctx.Locale.Tr "repo.activity.navbar.contributors"}}
	</a>
	<a class="{{if .PageIsCodeFrequency}}active{{end}} item" href="{{.RepoLink}}/activity/code-frequency">
		{{ctx.Locale.Tr "repo.activity.navbar.code_frequency"}}
	</a>
</div>