Change some label colors (#9051)

* Change label colors

* Override black basic label background for green theme on label list

public/css/theme-arc-green.css

 .ui.blue.button:focus,.ui.blue.buttons .button:focus{background-color:#a27558}
 .ui.basic.blue.button:hover,.ui.basic.blue.buttons .button:hover{box-shadow:0 0 0 1px #87ab63 inset!important;color:#87ab63!important}
 .ui.basic.blue.button:focus,.ui.basic.blue.buttons .button:focus{box-shadow:0 0 0 1px #87ab63 inset!important;color:#87ab63!important}
+.repository.labels .ui.basic.black.label{background-color:#bbb!important}
 .lines-commit{background:#2e323e!important}
 .bottom-line{border-color:#4e525e!important}
 .lines-num{background:#2e323e!important;color:#9e9e9e!important;border-color:#2d2d2d!important}

templates/admin/org/list.tmpl

 		<h4 class="ui top attached header">
 			{{.i18n.Tr "admin.orgs.org_manage_panel"}} ({{.i18n.Tr "admin.total" .Total}})
 			<div class="ui right">
-				<a class="ui black tiny button" href="{{AppSubUrl}}/org/create">{{.i18n.Tr "admin.orgs.new_orga"}}</a>
+				<a class="ui blue tiny button" href="{{AppSubUrl}}/org/create">{{.i18n.Tr "admin.orgs.new_orga"}}</a>
 			</div>
 		</h4>
 		<div class="ui attached segment">

templates/admin/user/list.tmpl

 		<h4 class="ui top attached header">
 			{{.i18n.Tr "admin.users.user_manage_panel"}} ({{.i18n.Tr "admin.total" .Total}})
 			<div class="ui right">
-				<a class="ui black tiny button" href="{{AppSubUrl}}/admin/users/new">{{.i18n.Tr "admin.users.new_account"}}</a>
+				<a class="ui blue tiny button" href="{{AppSubUrl}}/admin/users/new">{{.i18n.Tr "admin.users.new_account"}}</a>
 			</div>
 		</h4>
 		<div class="ui attached segment">

templates/repo/commits_table.tmpl

 						<input type="checkbox" name="all" id="all" value="true" {{.All}}>
 						<label for="all">{{.i18n.Tr "repo.commits.search_all"}} &nbsp;&nbsp;</label>
 					</div>
-					<button class="ui black tiny button" data-panel="#add-deploy-key-panel" data-tooltip={{.i18n.Tr "repo.commits.search.tooltip"}}>{{.i18n.Tr "repo.commits.find"}}</button>
+					<button class="ui blue tiny button" data-panel="#add-deploy-key-panel" data-tooltip={{.i18n.Tr "repo.commits.search.tooltip"}}>{{.i18n.Tr "repo.commits.find"}}</button>
 				</form>
 			{{else if .IsDiffCompare}}
 				<a href="{{$.CommitRepoLink}}/commit/{{.BeforeCommitID}}" class="ui green sha label">{{if not .BaseIsCommit}}{{if .BaseIsBranch}}<i class="octicon octicon-git-branch"></i>{{else if .BaseIsTag}}<i class="octicon octicon-tag"></i>{{end}}{{.BaseBranch}}{{else}}{{ShortSha .BaseBranch}}{{end}}</a>

templates/repo/issue/labels.tmpl

 			</div>
 		</div>
 		{{template "base/alert" .}}
-		<div class="ui black label">{{.i18n.Tr "repo.issues.label_count" .NumLabels}}</div>
+		<div class="ui black basic label">{{.i18n.Tr "repo.issues.label_count" .NumLabels}}</div>
 		<div class="label list">
 			{{if and (or $.CanWriteIssues $.CanWritePulls) (eq .NumLabels 0) (not $.Repository.IsArchived) }}
 				<div class="ui centered grid">

templates/repo/issue/milestone_issues.tmpl

 						<input type="checkbox" data-issue-id={{.ID}}></input>
 					</div>
 					{{end}}
-					<div class="ui {{if .IsRead}}black{{else}}green{{end}} label">#{{.Index}}</div>
+					<div class="ui {{if .IsRead}}gray{{else}}green{{end}} label">#{{.Index}}</div>
 					<a class="title has-emoji" href="{{$.RepoLink}}/issues/{{.Index}}">{{.Title}}</a>
 
 					{{range .Labels}}

templates/user/settings/organization.tmpl

 			{{.i18n.Tr "settings.orgs"}}
 			{{if .SignedUser.CanCreateOrganization}}
 			<div class="ui right">
-				<a class="ui black tiny button" href="{{AppSubUrl}}/org/create">{{.i18n.Tr "admin.orgs.new_orga"}}</a>
+				<a class="ui blue tiny button" href="{{AppSubUrl}}/org/create">{{.i18n.Tr "admin.orgs.new_orga"}}</a>
 			</div>
 			{{end}}
 		</h4>

web_src/less/themes/arc-green.less

     color: #87ab63 !important;
 }
 
+.repository.labels .ui.basic.black.label {
+    background-color: #bbbbbb !important;
+}
+
 .lines-commit {
     background: #2e323e !important;
 }