Fix some UI problems (dropdown/container) (#30849) (#30871)

Backport #30849 by wxiaoguang

Follow #30345
Follow #30547

Co-authored-by: wxiaoguang <wxiaoguang@gmail.com>

13 files changed, 241 insertions, 200 deletions

diff --git a/templates/devtest/fomantic-dropdown.tmpl b/templates/devtest/fomantic-dropdown.tmpl
new file mode 100644
index 0000000000..57a7c1313e
--- /dev/null
+++ b/templates/devtest/fomantic-dropdown.tmpl
@@ -0,0 +1,109 @@
+{{template "base/head" .}}
+<link rel="stylesheet" href="{{AssetUrlPrefix}}/css/devtest.css?v={{AssetVersion}}">
+<div class="page-content devtest ui container">
+	<div>
+		<h2>Dropdown</h2>
+		<div>
+			<div class="ui dropdown tw-border tw-border-red tw-border-dashed" data-tooltip-content="border for demo purpose only">
+				<span class="text">search-input &amp; flex-item in menu</span>
+				{{svg "octicon-triangle-down" 14 "dropdown icon"}}
+				<div class="menu flex-items-menu">
+					<div class="ui icon search input"><i class="icon">{{svg "octicon-search"}}</i><input type="text" value="search input in menu"></div>
+					<div class="item"><input type="radio">item</div>
+					<div class="item"><input type="radio">item</div>
+				</div>
+			</div>
+			<div class="ui search selection dropdown">
+				<span class="text">search ...</span>
+				<input name="value" class="search">
+				{{svg "octicon-triangle-down" 14 "dropdown icon"}}
+				{{svg "octicon-x" 14 "remove icon"}}
+				<div class="menu">
+					<div class="item">item</div>
+				</div>
+			</div>
+			<div class="ui multiple selection dropdown">
+				<input class="hidden" value="1">
+				{{svg "octicon-triangle-down" 14 "dropdown icon"}}
+				{{svg "octicon-x" 14 "remove icon"}}
+				<div class="default text">empty multiple dropdown</div>
+				<div class="menu">
+					<div class="item">item</div>
+				</div>
+			</div>
+			<div class="ui multiple clearable search selection dropdown">
+				<input type="hidden" value="1">
+				{{svg "octicon-triangle-down" 14 "dropdown icon"}}
+				{{svg "octicon-x" 14 "remove icon"}}
+				<div class="default text">clearable search dropdown</div>
+				<div class="menu">
+					<div class="item" data-value="1">item</div>
+				</div>
+			</div>
+			<div class="ui buttons">
+				<button class="ui button">Button with Dropdown</button>
+				<div class="ui dropdown button icon">
+					{{svg "octicon-triangle-down"}}
+					<div class="menu">
+						<div class="item">item</div>
+					</div>
+				</div>
+			</div>
+		</div>
+
+		<h2>Selection</h2>
+		<div>
+			{{/* the "selection" class is optional, it will be added by JS automatically */}}
+			<select class="ui dropdown selection ellipsis-items-nowrap">
+				<option>a</option>
+				<option>abcdefuvwxyz</option>
+				<option>loooooooooooooooooooooooooooooooooooooooooooooooooooooooooong</option>
+			</select>
+			<select class="ui dropdown ellipsis-items-nowrap tw-max-w-[8em]">
+				<option>loooooooooooooooooooooooooooooooooooooooooooooooooooooooooong</option>
+				<option>abcdefuvwxyz</option>
+				<option>a</option>
+			</select>
+		</div>
+		<h2>Dropdown Button (demo only without menu)</h2>
+		<div>
+			<div class="ui dropdown mini button">
+				<span class="text">mini dropdown</span>
+				{{svg "octicon-triangle-down" 14 "dropdown icon"}}
+			</div>
+			<div class="ui dropdown tiny button">
+				<span class="text">tiny dropdown</span>
+				{{svg "octicon-triangle-down" 14 "dropdown icon"}}
+			</div>
+			<div class="ui button dropdown">
+				<span class="text">button dropdown</span>
+				{{svg "octicon-triangle-down" 14 "dropdown icon"}}
+			</div>
+		</div>
+
+		<div>
+			<div class="ui dropdown mini compact button">
+				<span class="text">mini compact</span>
+				{{svg "octicon-triangle-down" 14 "dropdown icon"}}
+			</div>
+			<div class="ui dropdown tiny compact button">
+				<span class="text">tiny compact</span>
+				{{svg "octicon-triangle-down" 14 "dropdown icon"}}
+			</div>
+			<div class="ui button compact dropdown">
+				<span class="text">button compact</span>
+				{{svg "octicon-triangle-down" 14 "dropdown icon"}}
+			</div>
+		</div>
+
+		<div>
+			<hr>
+			<div class="ui tiny button">Other button align with ...</div>
+			<div class="ui dropdown tiny button">
+				<span class="text">... Dropdown Button</span>
+				{{svg "octicon-triangle-down" 14 "dropdown icon"}}
+			</div>
+		</div>
+	</div>
+</div>
+{{template "base/footer" .}}
diff --git a/templates/devtest/gitea-ui.tmpl b/templates/devtest/gitea-ui.tmpl
index 3b13c13be8..ea293fd3b4 100644
--- a/templates/devtest/gitea-ui.tmpl
+++ b/templates/devtest/gitea-ui.tmpl
@@ -180,94 +180,6 @@
 				<input type="text" placeholder="place holder">
 			</div>
 		</div>
-
-		<h2>Dropdown with SVG</h2>
-		<div>
-			<div class="ui dropdown tw-border tw-border-red tw-border-dashed" data-tooltip-content="border for demo purpose only">
-				<span class="text">search-input &amp; flex-item in menu</span>
-				{{svg "octicon-triangle-down" 14 "dropdown icon"}}
-				<div class="menu flex-items-menu">
-					<div class="ui icon search input"><i class="icon">{{svg "octicon-search"}}</i><input type="text" value="search input in menu"></div>
-					<div class="item"><input type="radio">item</div>
-					<div class="item"><input type="radio">item</div>
-				</div>
-			</div>
-			<div class="ui search selection dropdown">
-				<span class="text">search ...</span>
-				<input name="value" class="search">
-				{{svg "octicon-triangle-down" 14 "dropdown icon"}}
-				{{svg "octicon-x" 14 "remove icon"}}
-				<div class="menu">
-					<div class="item">item</div>
-				</div>
-			</div>
-			<div class="ui multiple selection dropdown">
-				<input class="hidden" value="1">
-				{{svg "octicon-triangle-down" 14 "dropdown icon"}}
-				{{svg "octicon-x" 14 "remove icon"}}
-				<div class="default text">empty multiple dropdown</div>
-				<div class="menu">
-					<div class="item">item</div>
-				</div>
-			</div>
-			<div class="ui multiple clearable search selection dropdown">
-				<input type="hidden" value="1">
-				{{svg "octicon-triangle-down" 14 "dropdown icon"}}
-				{{svg "octicon-x" 14 "remove icon"}}
-				<div class="default text">clearable search dropdown</div>
-				<div class="menu">
-					<div class="item" data-value="1">item</div>
-				</div>
-			</div>
-			<div class="ui buttons">
-				<button class="ui button">Button with Dropdown</button>
-				<div class="ui dropdown button icon">
-					{{svg "octicon-triangle-down"}}
-					<div class="menu">
-						<div class="item">item</div>
-					</div>
-				</div>
-			</div>
-		</div>
-
-		<div>
-			<div class="ui dropdown mini button">
-				<span class="text">mini dropdown</span>
-				{{svg "octicon-triangle-down" 14 "dropdown icon"}}
-			</div>
-			<div class="ui dropdown tiny button">
-				<span class="text">tiny dropdown</span>
-				{{svg "octicon-triangle-down" 14 "dropdown icon"}}
-			</div>
-			<div class="ui button dropdown">
-				<span class="text">button dropdown</span>
-				{{svg "octicon-triangle-down" 14 "dropdown icon"}}
-			</div>
-		</div>
-
-		<div>
-			<div class="ui dropdown mini compact button">
-				<span class="text">mini compact</span>
-				{{svg "octicon-triangle-down" 14 "dropdown icon"}}
-			</div>
-			<div class="ui dropdown tiny compact button">
-				<span class="text">tiny compact</span>
-				{{svg "octicon-triangle-down" 14 "dropdown icon"}}
-			</div>
-			<div class="ui button compact dropdown">
-				<span class="text">button compact</span>
-				{{svg "octicon-triangle-down" 14 "dropdown icon"}}
-			</div>
-		</div>
-
-		<div>
-			<hr>
-			<div class="ui tiny button">Button align with ...</div>
-			<div class="ui dropdown tiny button">
-				<span class="text">... Dropdown Button</span>
-				{{svg "octicon-triangle-down" 14 "dropdown icon"}}
-			</div>
-		</div>
 	</div>
 
 	<div>
diff --git a/templates/repo/branch_dropdown.tmpl b/templates/repo/branch_dropdown.tmpl
index 8f58826c6a..c4f73875f2 100644
--- a/templates/repo/branch_dropdown.tmpl
+++ b/templates/repo/branch_dropdown.tmpl
@@ -69,7 +69,7 @@
 
 <div class="js-branch-tag-selector {{if .ContainerClasses}}{{.ContainerClasses}}{{end}}">
 	{{/* show dummy elements before Vue componment is mounted, this code must match the code in BranchTagSelector.vue */}}
-	<div class="ui dropdown custom branch-selector-dropdown">
+	<div class="ui dropdown custom branch-selector-dropdown ellipsis-items-nowrap">
 		<div class="ui button branch-dropdown-button">
 			<span class="flex-text-block gt-ellipsis">
 				{{if .release}}
diff --git a/templates/repo/header.tmpl b/templates/repo/header.tmpl
index c0d833a187..34f47b7d89 100644
--- a/templates/repo/header.tmpl
+++ b/templates/repo/header.tmpl
@@ -128,107 +128,109 @@
 		{{if .IsGenerated}}<div class="fork-flag">{{ctx.Locale.Tr "repo.generated_from"}} <a href="{{(.TemplateRepo ctx).Link}}">{{(.TemplateRepo ctx).FullName}}</a></div>{{end}}
 	</div>
 {{end}}
-	<overflow-menu class="ui container secondary pointing tabular top attached borderless menu tw-pt-0 tw-my-0">
-		{{if not (or .Repository.IsBeingCreated .Repository.IsBroken)}}
-			<div class="overflow-menu-items">
-				{{if .Permission.CanRead ctx.Consts.RepoUnitTypeCode}}
-				<a class="{{if .PageIsViewCode}}active {{end}}item" href="{{.RepoLink}}{{if and (ne .BranchName .Repository.DefaultBranch) (not $.PageIsWiki)}}/src/{{.BranchNameSubURL}}{{end}}">
-					{{svg "octicon-code"}} {{ctx.Locale.Tr "repo.code"}}
-				</a>
-				{{end}}
-
-				{{if .Permission.CanRead ctx.Consts.RepoUnitTypeIssues}}
-					<a class="{{if .PageIsIssueList}}active {{end}}item" href="{{.RepoLink}}/issues">
-						{{svg "octicon-issue-opened"}} {{ctx.Locale.Tr "repo.issues"}}
-						{{if .Repository.NumOpenIssues}}
-							<span class="ui small label">{{CountFmt .Repository.NumOpenIssues}}</span>
-						{{end}}
+	<div class="ui container">
+		<overflow-menu class="ui secondary pointing menu">
+			{{if not (or .Repository.IsBeingCreated .Repository.IsBroken)}}
+				<div class="overflow-menu-items">
+					{{if .Permission.CanRead ctx.Consts.RepoUnitTypeCode}}
+					<a class="{{if .PageIsViewCode}}active {{end}}item" href="{{.RepoLink}}{{if and (ne .BranchName .Repository.DefaultBranch) (not $.PageIsWiki)}}/src/{{.BranchNameSubURL}}{{end}}">
+						{{svg "octicon-code"}} {{ctx.Locale.Tr "repo.code"}}
 					</a>
-				{{end}}
+					{{end}}
 
-				{{if .Permission.CanRead ctx.Consts.RepoUnitTypeExternalTracker}}
-					<a class="{{if .PageIsIssueList}}active {{end}}item" href="{{.RepoExternalIssuesLink}}" target="_blank" rel="noopener noreferrer">
-						{{svg "octicon-link-external"}} {{ctx.Locale.Tr "repo.issues"}}
-					</a>
-				{{end}}
+					{{if .Permission.CanRead ctx.Consts.RepoUnitTypeIssues}}
+						<a class="{{if .PageIsIssueList}}active {{end}}item" href="{{.RepoLink}}/issues">
+							{{svg "octicon-issue-opened"}} {{ctx.Locale.Tr "repo.issues"}}
+							{{if .Repository.NumOpenIssues}}
+								<span class="ui small label">{{CountFmt .Repository.NumOpenIssues}}</span>
+							{{end}}
+						</a>
+					{{end}}
 
-				{{if and .Repository.CanEnablePulls (.Permission.CanRead ctx.Consts.RepoUnitTypePullRequests)}}
-					<a class="{{if .PageIsPullList}}active {{end}}item" href="{{.RepoLink}}/pulls">
-						{{svg "octicon-git-pull-request"}} {{ctx.Locale.Tr "repo.pulls"}}
-						{{if .Repository.NumOpenPulls}}
-							<span class="ui small label">{{CountFmt .Repository.NumOpenPulls}}</span>
-						{{end}}
-					</a>
-				{{end}}
+					{{if .Permission.CanRead ctx.Consts.RepoUnitTypeExternalTracker}}
+						<a class="{{if .PageIsIssueList}}active {{end}}item" href="{{.RepoExternalIssuesLink}}" target="_blank" rel="noopener noreferrer">
+							{{svg "octicon-link-external"}} {{ctx.Locale.Tr "repo.issues"}}
+						</a>
+					{{end}}
 
-				{{if and .EnableActions (not .UnitActionsGlobalDisabled) (.Permission.CanRead ctx.Consts.RepoUnitTypeActions)}}
-					<a class="{{if .PageIsActions}}active {{end}}item" href="{{.RepoLink}}/actions">
-						{{svg "octicon-play"}} {{ctx.Locale.Tr "actions.actions"}}
-						{{if .Repository.NumOpenActionRuns}}
-							<span class="ui small label">{{CountFmt .Repository.NumOpenActionRuns}}</span>
-						{{end}}
-					</a>
-				{{end}}
+					{{if and .Repository.CanEnablePulls (.Permission.CanRead ctx.Consts.RepoUnitTypePullRequests)}}
+						<a class="{{if .PageIsPullList}}active {{end}}item" href="{{.RepoLink}}/pulls">
+							{{svg "octicon-git-pull-request"}} {{ctx.Locale.Tr "repo.pulls"}}
+							{{if .Repository.NumOpenPulls}}
+								<span class="ui small label">{{CountFmt .Repository.NumOpenPulls}}</span>
+							{{end}}
+						</a>
+					{{end}}
 
-				{{if .Permission.CanRead ctx.Consts.RepoUnitTypePackages}}
-					<a href="{{.RepoLink}}/packages" class="{{if .IsPackagesPage}}active {{end}}item">
-						{{svg "octicon-package"}} {{ctx.Locale.Tr "packages.title"}}
-					</a>
-				{{end}}
+					{{if and .EnableActions (not .UnitActionsGlobalDisabled) (.Permission.CanRead ctx.Consts.RepoUnitTypeActions)}}
+						<a class="{{if .PageIsActions}}active {{end}}item" href="{{.RepoLink}}/actions">
+							{{svg "octicon-play"}} {{ctx.Locale.Tr "actions.actions"}}
+							{{if .Repository.NumOpenActionRuns}}
+								<span class="ui small label">{{CountFmt .Repository.NumOpenActionRuns}}</span>
+							{{end}}
+						</a>
+					{{end}}
 
-				{{$projectsUnit := .Repository.MustGetUnit $.Context ctx.Consts.RepoUnitTypeProjects}}
-				{{if and (not .UnitProjectsGlobalDisabled) (.Permission.CanRead ctx.Consts.RepoUnitTypeProjects) ($projectsUnit.ProjectsConfig.IsProjectsAllowed "repo")}}
-					<a href="{{.RepoLink}}/projects" class="{{if .IsProjectsPage}}active {{end}}item">
-						{{svg "octicon-project"}} {{ctx.Locale.Tr "repo.project_board"}}
-						{{if .Repository.NumOpenProjects}}
-							<span class="ui small label">{{CountFmt .Repository.NumOpenProjects}}</span>
-						{{end}}
-					</a>
-				{{end}}
+					{{if .Permission.CanRead ctx.Consts.RepoUnitTypePackages}}
+						<a href="{{.RepoLink}}/packages" class="{{if .IsPackagesPage}}active {{end}}item">
+							{{svg "octicon-package"}} {{ctx.Locale.Tr "packages.title"}}
+						</a>
+					{{end}}
 
-				{{if and (.Permission.CanRead ctx.Consts.RepoUnitTypeReleases) (not .IsEmptyRepo)}}
-				<a class="{{if or .PageIsReleaseList .PageIsTagList}}active {{end}}item" href="{{.RepoLink}}/releases">
-					{{svg "octicon-tag"}} {{ctx.Locale.Tr "repo.releases"}}
-					{{if .NumReleases}}
-						<span class="ui small label">{{CountFmt .NumReleases}}</span>
-					{{end}}
-				</a>
-				{{end}}
+					{{$projectsUnit := .Repository.MustGetUnit $.Context ctx.Consts.RepoUnitTypeProjects}}
+					{{if and (not .UnitProjectsGlobalDisabled) (.Permission.CanRead ctx.Consts.RepoUnitTypeProjects) ($projectsUnit.ProjectsConfig.IsProjectsAllowed "repo")}}
+						<a href="{{.RepoLink}}/projects" class="{{if .IsProjectsPage}}active {{end}}item">
+							{{svg "octicon-project"}} {{ctx.Locale.Tr "repo.project_board"}}
+							{{if .Repository.NumOpenProjects}}
+								<span class="ui small label">{{CountFmt .Repository.NumOpenProjects}}</span>
+							{{end}}
+						</a>
+					{{end}}
 
-				{{if .Permission.CanRead ctx.Consts.RepoUnitTypeWiki}}
-					<a class="{{if .PageIsWiki}}active {{end}}item" href="{{.RepoLink}}/wiki">
-						{{svg "octicon-book"}} {{ctx.Locale.Tr "repo.wiki"}}
+					{{if and (.Permission.CanRead ctx.Consts.RepoUnitTypeReleases) (not .IsEmptyRepo)}}
+					<a class="{{if or .PageIsReleaseList .PageIsTagList}}active {{end}}item" href="{{.RepoLink}}/releases">
+						{{svg "octicon-tag"}} {{ctx.Locale.Tr "repo.releases"}}
+						{{if .NumReleases}}
+							<span class="ui small label">{{CountFmt .NumReleases}}</span>
+						{{end}}
 					</a>
-				{{end}}
+					{{end}}
 
-				{{if .Permission.CanRead ctx.Consts.RepoUnitTypeExternalWiki}}
-					<a class="item" href="{{(.Repository.MustGetUnit $.Context ctx.Consts.RepoUnitTypeExternalWiki).ExternalWikiConfig.ExternalWikiURL}}" target="_blank" rel="noopener noreferrer">
-						{{svg "octicon-link-external"}} {{ctx.Locale.Tr "repo.wiki"}}
-					</a>
-				{{end}}
+					{{if .Permission.CanRead ctx.Consts.RepoUnitTypeWiki}}
+						<a class="{{if .PageIsWiki}}active {{end}}item" href="{{.RepoLink}}/wiki">
+							{{svg "octicon-book"}} {{ctx.Locale.Tr "repo.wiki"}}
+						</a>
+					{{end}}
 
-				{{if and (.Permission.CanReadAny ctx.Consts.RepoUnitTypePullRequests ctx.Consts.RepoUnitTypeIssues ctx.Consts.RepoUnitTypeReleases) (not .IsEmptyRepo)}}
-					<a class="{{if .PageIsActivity}}active {{end}}item" href="{{.RepoLink}}/activity">
-						{{svg "octicon-pulse"}} {{ctx.Locale.Tr "repo.activity"}}
-					</a>
-				{{end}}
+					{{if .Permission.CanRead ctx.Consts.RepoUnitTypeExternalWiki}}
+						<a class="item" href="{{(.Repository.MustGetUnit $.Context ctx.Consts.RepoUnitTypeExternalWiki).ExternalWikiConfig.ExternalWikiURL}}" target="_blank" rel="noopener noreferrer">
+							{{svg "octicon-link-external"}} {{ctx.Locale.Tr "repo.wiki"}}
+						</a>
+					{{end}}
 
-				{{template "custom/extra_tabs" .}}
+					{{if and (.Permission.CanReadAny ctx.Consts.RepoUnitTypePullRequests ctx.Consts.RepoUnitTypeIssues ctx.Consts.RepoUnitTypeReleases) (not .IsEmptyRepo)}}
+						<a class="{{if .PageIsActivity}}active {{end}}item" href="{{.RepoLink}}/activity">
+							{{svg "octicon-pulse"}} {{ctx.Locale.Tr "repo.activity"}}
+						</a>
+					{{end}}
 
-				{{if .Permission.IsAdmin}}
-					<span class="item-flex-space"></span>
+					{{template "custom/extra_tabs" .}}
+
+					{{if .Permission.IsAdmin}}
+						<span class="item-flex-space"></span>
+						<a class="{{if .PageIsRepoSettings}}active {{end}} item" href="{{.RepoLink}}/settings">
+							{{svg "octicon-tools"}} {{ctx.Locale.Tr "repo.settings"}}
+						</a>
+					{{end}}
+				</div>
+			{{else if .Permission.IsAdmin}}
+				<div class="overflow-menu-items">
 					<a class="{{if .PageIsRepoSettings}}active {{end}} item" href="{{.RepoLink}}/settings">
 						{{svg "octicon-tools"}} {{ctx.Locale.Tr "repo.settings"}}
 					</a>
-				{{end}}
-			</div>
-		{{else if .Permission.IsAdmin}}
-			<div class="overflow-menu-items">
-				<a class="{{if .PageIsRepoSettings}}active {{end}} item" href="{{.RepoLink}}/settings">
-					{{svg "octicon-tools"}} {{ctx.Locale.Tr "repo.settings"}}
-				</a>
-			</div>
-		{{end}}
-	</overflow-menu>
+				</div>
+			{{end}}
+		</overflow-menu>
+	</div>
 	<div class="ui tabs divider"></div>
 </div>
diff --git a/templates/repo/issue/branch_selector_field.tmpl b/templates/repo/issue/branch_selector_field.tmpl
index e9e5574cd7..cbf7929fdb 100644
--- a/templates/repo/issue/branch_selector_field.tmpl
+++ b/templates/repo/issue/branch_selector_field.tmpl
@@ -4,7 +4,7 @@
 <form method="post" action="{{$.RepoLink}}/issues/{{.Issue.Index}}/ref" id="update_issueref_form">
 	{{$.CsrfTokenHtml}}
 </form>
-<div class="ui dropdown select-branch branch-selector-dropdown {{if not .HasIssuesOrPullsWritePermission}}disabled{{end}}"
+<div class="ui dropdown select-branch branch-selector-dropdown ellipsis-items-nowrap {{if not .HasIssuesOrPullsWritePermission}}disabled{{end}}"
 	data-no-results="{{ctx.Locale.Tr "no_results_found"}}"
 	{{if not .Issue}}data-for-new-issue="true"{{end}}
 >
diff --git a/templates/repo/issue/view_content/reference_issue_dialog.tmpl b/templates/repo/issue/view_content/reference_issue_dialog.tmpl
index c7a471f55e..d6c9081001 100644
--- a/templates/repo/issue/view_content/reference_issue_dialog.tmpl
+++ b/templates/repo/issue/view_content/reference_issue_dialog.tmpl
@@ -7,7 +7,7 @@
 			{{.CsrfTokenHtml}}
 			<div class="field">
 				<label><strong>{{ctx.Locale.Tr "repository"}}</strong></label>
-				<div class="ui search selection dropdown issue_reference_repository_search">
+				<div class="ui search selection dropdown issue_reference_repository_search ellipsis-items-nowrap">
 					<div class="default text gt-ellipsis">{{.Repository.FullName}}</div>
 					<div class="menu"></div>
 				</div>
diff --git a/templates/repo/settings/options.tmpl b/templates/repo/settings/options.tmpl
index 40617021d9..b94c202f16 100644
--- a/templates/repo/settings/options.tmpl
+++ b/templates/repo/settings/options.tmpl
@@ -345,7 +345,7 @@
 						<div class="inline field">
 							{{$unitInternalWiki := .Repository.MustGetUnit ctx ctx.Consts.RepoUnitTypeWiki}}
 							<label>{{ctx.Locale.Tr "repo.settings.default_wiki_everyone_access"}}</label>
-							<select name="default_wiki_everyone_access" class="ui dropdown">
+							<select name="default_wiki_everyone_access" class="ui selection dropdown">
 								{{/* everyone access mode is different from others, none means it is unset and won't be applied */}}
 								<option value="none" {{Iif (eq $unitInternalWiki.EveryoneAccessMode 0) "selected"}}>{{ctx.Locale.Tr "settings.permission_not_set"}}</option>
 								<option value="read" {{Iif (eq $unitInternalWiki.EveryoneAccessMode 1) "selected"}}>{{ctx.Locale.Tr "settings.permission_read"}}</option>
diff --git a/web_src/css/base.css b/web_src/css/base.css
index bf88adb453..aa00c88754 100644
--- a/web_src/css/base.css
+++ b/web_src/css/base.css
@@ -342,8 +342,6 @@ a.label,
 
 .ui.dropdown .menu > .item {
   color: var(--color-text);
-  overflow: hidden;
-  text-overflow: ellipsis;
 }
 
 .ui.dropdown .menu > .item:hover {
@@ -374,7 +372,6 @@ a.label,
 
 .ui.selection.dropdown .menu > .item {
   border-color: var(--color-secondary);
-  white-space: nowrap;
 }
 
 .ui.selection.visible.dropdown > .text:not(.default) {
@@ -1346,7 +1343,11 @@ table th[data-sortt-desc] .svg {
   align-items: center;
   gap: .25rem;
   vertical-align: middle;
-  min-width: 0;
+  min-width: 0; /* make ellipsis work */
+}
+
+.ui.ui.dropdown.selection {
+  min-width: 14em; /* match the default min width */
 }
 
 .ui.dropdown .ui.label .svg {
@@ -1373,3 +1374,16 @@ table th[data-sortt-desc] .svg {
   gap: .5rem;
   min-width: 0;
 }
+
+.ui.dropdown.ellipsis-items-nowrap > .text {
+  overflow: hidden;
+  white-space: nowrap;
+  text-overflow: ellipsis;
+}
+
+.ellipsis-items-nowrap > .item,
+.ui.dropdown.ellipsis-items-nowrap .menu > .item {
+  white-space: nowrap !important;
+  overflow: hidden !important;
+  text-overflow: ellipsis !important;
+}
diff --git a/web_src/css/form.css b/web_src/css/form.css
index 7479af0c4e..66ead32762 100644
--- a/web_src/css/form.css
+++ b/web_src/css/form.css
@@ -448,6 +448,10 @@ textarea:focus,
   }
 }
 
+.ui.form .field > .selection.dropdown {
+  min-width: 14em; /* matches the default min width */
+}
+
 .new.webhook form .help {
   margin-left: 25px;
 }
diff --git a/web_src/css/modules/container.css b/web_src/css/modules/container.css
index 9f67ceb8d5..c9df6ab3f5 100644
--- a/web_src/css/modules/container.css
+++ b/web_src/css/modules/container.css
@@ -2,26 +2,20 @@
    unused rules here after refactoring, please remove them. */
 
 .ui.container {
-  display: block;
-  max-width: 100%;
-}
-
-.ui.fluid.container {
-  width: 100%;
-}
-
-.ui[class*="center aligned"].container {
-  text-align: center;
-}
-
-/* overwrite width of containers inside the main page content div (div with class "page-content") */
-.page-content .ui.ui.ui.container:not(.fluid) {
   width: 1280px;
   max-width: calc(100% - calc(2 * var(--page-margin-x)));
   margin-left: auto;
   margin-right: auto;
 }
 
+.ui.fluid.container {
+  width: 100%;
+}
+
 .ui.container.fluid.padded {
   padding: 0 var(--page-margin-x);
 }
+
+.ui[class*="center aligned"].container {
+  text-align: center;
+}
diff --git a/web_src/css/repo.css b/web_src/css/repo.css
index 7695b632b4..f02b2b7578 100644
--- a/web_src/css/repo.css
+++ b/web_src/css/repo.css
@@ -2860,6 +2860,10 @@ tbody.commit-list {
   margin-top: 4px;
 }
 
+.ui.dropdown.branch-selector-dropdown .scrolling.menu {
+  max-width: min(400px, 90vw);
+}
+
 .branch-selector-dropdown .branch-dropdown-button {
   margin: 0;
   max-width: 340px;
@@ -2909,6 +2913,8 @@ tbody.commit-list {
 }
 
 .branch-selector-dropdown .menu .item .rss-icon {
+  position: absolute;
+  right: 4px;
   visibility: hidden; /* only show RSS icon on hover */
 }
 
diff --git a/web_src/js/components/RepoBranchTagSelector.vue b/web_src/js/components/RepoBranchTagSelector.vue
index 8a741b68da..87530225e3 100644
--- a/web_src/js/components/RepoBranchTagSelector.vue
+++ b/web_src/js/components/RepoBranchTagSelector.vue
@@ -246,7 +246,7 @@ export function initRepoBranchTagSelector(selector) {
 export default sfc; // activate IDE's Vue plugin
 </script>
 <template>
-  <div class="ui dropdown custom branch-selector-dropdown">
+  <div class="ui dropdown custom branch-selector-dropdown ellipsis-items-nowrap">
     <div class="ui button branch-dropdown-button" @click="menuVisible = !menuVisible" @keyup.enter="menuVisible = !menuVisible">
       <span class="flex-text-block gt-ellipsis">
         <template v-if="release">{{ textReleaseCompare }}</template>
@@ -280,7 +280,7 @@ export default sfc; // activate IDE's Vue plugin
           <div class="ui label" v-if="item.name===repoDefaultBranch && mode === 'branches'">
             {{ textDefaultBranchLabel }}
           </div>
-          <a v-show="enableFeed && mode === 'branches'" role="button" class="rss-icon tw-float-right" :href="rssURLPrefix + item.url" target="_blank" @click.stop>
+          <a v-show="enableFeed && mode === 'branches'" role="button" class="rss-icon" :href="rssURLPrefix + item.url" target="_blank" @click.stop>
             <!-- creating a lot of Vue component is pretty slow, so we use a static SVG here -->
             <svg width="14" height="14" class="svg octicon-rss"><use href="#svg-symbol-octicon-rss"/></svg>
           </a>
diff --git a/web_src/js/features/repo-issue.js b/web_src/js/features/repo-issue.js
index d10d4dab8d..8ee681aedc 100644
--- a/web_src/js/features/repo-issue.js
+++ b/web_src/js/features/repo-issue.js
@@ -124,8 +124,8 @@ export function initRepoIssueSidebarList() {
               return;
             }
             filteredResponse.results.push({
-              name: `#${issue.number} ${htmlEscape(issue.title)
-              }<div class="text small gt-word-break">${htmlEscape(issue.repository.full_name)}</div>`,
+              name: `<div class="gt-ellipsis">#${issue.number} ${htmlEscape(issue.title)}</div>
+<div class="text small gt-word-break">${htmlEscape(issue.repository.full_name)}</div>`,
               value: issue.id,
             });
           });