Server Settings: Customize instance name and add contact URL (#5718)

* Server Settings: Customize instance name and add contact URL

- The custom instance name would improve #5563
- Added contact URL closes #4806

* Fix custom logo display

BTCPayServer/Components/MainNav/Default.cshtml

@@ -252,7 +252,7 @@
     {
         <ul id="mainNavSettings" class="navbar-nav border-top p-3 px-lg-4">
             <li class="nav-item" permission="@Policies.CanModifyServerSettings">
-                <a asp-area="" asp-controller="UIServer" asp-action="ListUsers" class="nav-link @ViewData.IsActivePage(ServerNavPages.Users) @ViewData.IsActivePage(ServerNavPages.Emails) @ViewData.IsActivePage(ServerNavPages.Policies) @ViewData.IsActivePage(ServerNavPages.Services) @ViewData.IsActivePage(ServerNavPages.Theme) @ViewData.IsActivePage(ServerNavPages.Maintenance) @ViewData.IsActivePage(ServerNavPages.Logs) @ViewData.IsActivePage(ServerNavPages.Files)" id="Nav-ServerSettings">
+                <a asp-area="" asp-controller="UIServer" asp-action="ListUsers" class="nav-link @ViewData.IsActivePage(ServerNavPages.Users) @ViewData.IsActivePage(ServerNavPages.Emails) @ViewData.IsActivePage(ServerNavPages.Policies) @ViewData.IsActivePage(ServerNavPages.Services) @ViewData.IsActivePage(ServerNavPages.Branding) @ViewData.IsActivePage(ServerNavPages.Maintenance) @ViewData.IsActivePage(ServerNavPages.Logs) @ViewData.IsActivePage(ServerNavPages.Files)" id="Nav-ServerSettings">
                     <vc:icon symbol="server-settings"/>
                     <span>Server Settings</span>
                 </a>

BTCPayServer/Controllers/UIServerController.cs

@@ -150,6 +150,7 @@ namespace BTCPayServer.Controllers
             }
             if (!ModelState.IsValid)
                 return View(vm);
+            
             if (command == "changedomain")
             {
                 if (string.IsNullOrWhiteSpace(vm.DNSDomain))
@@ -995,143 +996,167 @@ namespace BTCPayServer.Controllers
             return RedirectToAction(nameof(Services));
         }
 
-        [HttpGet("server/theme")]
+        [HttpGet("server/branding")]
-        public async Task<IActionResult> Theme()
+        public async Task<IActionResult> Branding()
         {
-            var data = await _SettingsRepository.GetSettingAsync<ThemeSettings>() ?? new ThemeSettings();
+            var server = await _SettingsRepository.GetSettingAsync<ServerSettings>() ?? new ServerSettings();
-            return View(data);
+            var theme = await _SettingsRepository.GetSettingAsync<ThemeSettings>() ?? new ThemeSettings();
+            
+            var vm = new BrandingViewModel
+            {
+                ServerName = server.ServerName,
+                ContactUrl = server.ContactUrl,
+                CustomTheme = theme.CustomTheme,
+                CustomThemeExtension = theme.CustomThemeExtension,
+                CustomThemeCssUri = theme.CustomThemeCssUri,
+                CustomThemeFileId = theme.CustomThemeFileId,
+                LogoFileId = theme.LogoFileId
+            };
+            return View(vm);
         }
 
-        [HttpPost("server/theme")]
+        [HttpPost("server/branding")]
-        public async Task<IActionResult> Theme(
+        public async Task<IActionResult> Branding(
-            ThemeSettings model,
+            BrandingViewModel vm,
             [FromForm] bool RemoveLogoFile,
             [FromForm] bool RemoveCustomThemeFile)
         {
             var settingsChanged = false;
-            var settings = await _SettingsRepository.GetSettingAsync<ThemeSettings>() ?? new ThemeSettings();
+            var server = await _SettingsRepository.GetSettingAsync<ServerSettings>() ?? new ServerSettings();
+            var theme = await _SettingsRepository.GetSettingAsync<ThemeSettings>() ?? new ThemeSettings();
 
             var userId = GetUserId();
             if (userId is null)
                 return NotFound();
 
-            if (model.CustomThemeFile != null)
+            vm.LogoFileId = theme.LogoFileId;
+            vm.CustomThemeFileId = theme.CustomThemeFileId;
+            
+            if (server.ServerName != vm.ServerName || server.ContactUrl != vm.ContactUrl)
             {
-                if (model.CustomThemeFile.ContentType.Equals("text/css", StringComparison.InvariantCulture))
+                server.ServerName = vm.ServerName;
+                server.ContactUrl = vm.ContactUrl;
+                settingsChanged = true;
+                await _SettingsRepository.UpdateSetting(server);
+            }
+
+            if (vm.CustomThemeFile != null)
+            {
+                if (vm.CustomThemeFile.ContentType.Equals("text/css", StringComparison.InvariantCulture))
                 {
                     // delete existing file
-                    if (!string.IsNullOrEmpty(settings.CustomThemeFileId))
+                    if (!string.IsNullOrEmpty(theme.CustomThemeFileId))
                     {
-                        await _fileService.RemoveFile(settings.CustomThemeFileId, userId);
+                        await _fileService.RemoveFile(theme.CustomThemeFileId, userId);
                     }
 
                     // add new file
                     try
                     {
-                        var storedFile = await _fileService.AddFile(model.CustomThemeFile, userId);
+                        var storedFile = await _fileService.AddFile(vm.CustomThemeFile, userId);
-                        settings.CustomThemeFileId = storedFile.Id;
+                        vm.CustomThemeFileId = theme.CustomThemeFileId = storedFile.Id;
                         settingsChanged = true;
                     }
                     catch (Exception e)
                     {
-                        ModelState.AddModelError(nameof(settings.CustomThemeFile), $"Could not save theme file: {e.Message}");
+                        ModelState.AddModelError(nameof(vm.CustomThemeFile), $"Could not save theme file: {e.Message}");
                     }
                 }
                 else
                 {
-                    ModelState.AddModelError(nameof(settings.CustomThemeFile), "The uploaded theme file needs to be a CSS file");
+                    ModelState.AddModelError(nameof(vm.CustomThemeFile), "The uploaded theme file needs to be a CSS file");
                 }
             }
-            else if (RemoveCustomThemeFile && !string.IsNullOrEmpty(settings.CustomThemeFileId))
+            else if (RemoveCustomThemeFile && !string.IsNullOrEmpty(theme.CustomThemeFileId))
             {
-                await _fileService.RemoveFile(settings.CustomThemeFileId, userId);
+                await _fileService.RemoveFile(theme.CustomThemeFileId, userId);
-                settings.CustomThemeFileId = null;
+                vm.CustomThemeFileId = theme.CustomThemeFileId = null;
                 settingsChanged = true;
             }
 
-            if (model.LogoFile != null)
+            if (vm.LogoFile != null)
             {
-                if (model.LogoFile.Length > 1_000_000)
+                if (vm.LogoFile.Length > 1_000_000)
                 {
-                    ModelState.AddModelError(nameof(model.LogoFile), "The uploaded logo file should be less than 1MB");
+                    ModelState.AddModelError(nameof(vm.LogoFile), "The uploaded logo file should be less than 1MB");
                 }
-                else if (!model.LogoFile.ContentType.StartsWith("image/", StringComparison.InvariantCulture))
+                else if (!vm.LogoFile.ContentType.StartsWith("image/", StringComparison.InvariantCulture))
                 {
-                    ModelState.AddModelError(nameof(model.LogoFile), "The uploaded logo file needs to be an image");
+                    ModelState.AddModelError(nameof(vm.LogoFile), "The uploaded logo file needs to be an image");
                 }
                 else
                 {
-                    var formFile = await model.LogoFile.Bufferize();
+                    var formFile = await vm.LogoFile.Bufferize();
                     if (!FileTypeDetector.IsPicture(formFile.Buffer, formFile.FileName))
                     {
-                        ModelState.AddModelError(nameof(model.LogoFile), "The uploaded logo file needs to be an image");
+                        ModelState.AddModelError(nameof(vm.LogoFile), "The uploaded logo file needs to be an image");
                     }
                     else
                     {
-                        model.LogoFile = formFile;
+                        vm.LogoFile = formFile;
                         // delete existing file
-                        if (!string.IsNullOrEmpty(settings.LogoFileId))
+                        if (!string.IsNullOrEmpty(theme.LogoFileId))
                         {
-                            await _fileService.RemoveFile(settings.LogoFileId, userId);
+                            await _fileService.RemoveFile(theme.LogoFileId, userId);
                         }
                         // add new file
                         try
                         {
-                            var storedFile = await _fileService.AddFile(model.LogoFile, userId);
+                            var storedFile = await _fileService.AddFile(vm.LogoFile, userId);
-                            settings.LogoFileId = storedFile.Id;
+                            vm.LogoFileId = theme.LogoFileId = storedFile.Id;
                             settingsChanged = true;
                         }
                         catch (Exception e)
                         {
-                            ModelState.AddModelError(nameof(settings.LogoFile), $"Could not save logo: {e.Message}");
+                            ModelState.AddModelError(nameof(vm.LogoFile), $"Could not save logo: {e.Message}");
                         }
                     }
                 }
             }
-            else if (RemoveLogoFile && !string.IsNullOrEmpty(settings.LogoFileId))
+            else if (RemoveLogoFile && !string.IsNullOrEmpty(theme.LogoFileId))
             {
-                await _fileService.RemoveFile(settings.LogoFileId, userId);
+                await _fileService.RemoveFile(theme.LogoFileId, userId);
-                settings.LogoFileId = null;
+                vm.LogoFileId = theme.LogoFileId = null;
                 settingsChanged = true;
             }
 
-            if (model.CustomTheme && !string.IsNullOrEmpty(model.CustomThemeCssUri) && !Uri.IsWellFormedUriString(model.CustomThemeCssUri, UriKind.RelativeOrAbsolute))
+            if (vm.CustomTheme && !string.IsNullOrEmpty(vm.CustomThemeCssUri) && !Uri.IsWellFormedUriString(vm.CustomThemeCssUri, UriKind.RelativeOrAbsolute))
             {
-                ModelState.AddModelError(nameof(settings.CustomThemeCssUri), "Please provide a non-empty theme URI");
+                ModelState.AddModelError(nameof(theme.CustomThemeCssUri), "Please provide a non-empty theme URI");
             }
-            else if (settings.CustomThemeCssUri != model.CustomThemeCssUri)
+            else if (theme.CustomThemeCssUri != vm.CustomThemeCssUri)
             {
-                settings.CustomThemeCssUri = model.CustomThemeCssUri;
+                theme.CustomThemeCssUri = vm.CustomThemeCssUri;
                 settingsChanged = true;
             }
 
-            if (settings.CustomThemeExtension != model.CustomThemeExtension)
+            if (theme.CustomThemeExtension != vm.CustomThemeExtension)
             {
                 // Require a custom theme to be defined in that case
-                if (string.IsNullOrEmpty(model.CustomThemeCssUri) && string.IsNullOrEmpty(settings.CustomThemeFileId))
+                if (string.IsNullOrEmpty(vm.CustomThemeCssUri) && string.IsNullOrEmpty(theme.CustomThemeFileId))
                 {
-                    ModelState.AddModelError(nameof(settings.CustomThemeFile), "Please provide a custom theme");
+                    ModelState.AddModelError(nameof(vm.CustomThemeFile), "Please provide a custom theme");
                 }
                 else
                 {
-                    settings.CustomThemeExtension = model.CustomThemeExtension;
+                    theme.CustomThemeExtension = vm.CustomThemeExtension;
                     settingsChanged = true;
                 }
             }
 
-            if (settings.CustomTheme != model.CustomTheme)
+            if (theme.CustomTheme != vm.CustomTheme)
             {
-                settings.CustomTheme = model.CustomTheme;
+                theme.CustomTheme = vm.CustomTheme;
                 settingsChanged = true;
             }
 
             if (settingsChanged)
             {
-                await _SettingsRepository.UpdateSetting(settings);
+                await _SettingsRepository.UpdateSetting(theme);
-                TempData[WellKnownTempData.SuccessMessage] = "Theme settings updated successfully";
+                TempData[WellKnownTempData.SuccessMessage] = "Settings updated successfully";
             }
 
-            return View(settings);
+            return View(vm);
         }
 
         [Route("server/emails")]

BTCPayServer/Models/ServerViewModels/BrandingViewModel.cs

@@ -0,0 +1,40 @@
+using System.ComponentModel.DataAnnotations;
+using BTCPayServer.Services;
+using Microsoft.AspNetCore.Http;
+using Newtonsoft.Json;
+
+namespace BTCPayServer.Models.ServerViewModels;
+
+public class BrandingViewModel
+{
+    // Server
+    [Display(Name = "Server Name")]
+    public string ServerName { get; set; }
+
+    [Display(Name = "Contact URL")]
+    public string ContactUrl { get; set; }
+
+    // Theme
+    [Display(Name = "Use custom theme")]
+    public bool CustomTheme { get; set; }
+
+    [Display(Name = "Custom Theme Extension Type")]
+    public ThemeExtension CustomThemeExtension { get; set; }
+
+    [JsonProperty(DefaultValueHandling = DefaultValueHandling.Populate)]
+    [MaxLength(500)]
+    [Display(Name = "Custom Theme CSS URL")]
+    public string CustomThemeCssUri { get; set; }
+
+    [Display(Name = "Custom Theme File")]
+    [JsonIgnore]
+    public IFormFile CustomThemeFile { get; set; }
+
+    public string CustomThemeFileId { get; set; }
+
+    [Display(Name = "Logo")]
+    [JsonIgnore]
+    public IFormFile LogoFile { get; set; }
+
+    public string LogoFileId { get; set; }
+}

BTCPayServer/Services/ServerSettings.cs

@@ -0,0 +1,14 @@
+using System.ComponentModel.DataAnnotations;
+using Microsoft.AspNetCore.Http;
+using Newtonsoft.Json;
+
+namespace BTCPayServer.Services;
+
+public class ServerSettings
+{
+    [Display(Name = "Server Name")]
+    public string ServerName { get; set; }
+
+    [Display(Name = "Contact URL")]
+    public string ContactUrl { get; set; }
+}

BTCPayServer/Services/ThemesSettings.cs

@@ -1,5 +1,4 @@
 using System.ComponentModel.DataAnnotations;
-using Microsoft.AspNetCore.Http;
 using Newtonsoft.Json;
 
 namespace BTCPayServer.Services;
@@ -27,16 +26,8 @@ public class ThemeSettings
     [Display(Name = "Custom Theme CSS URL")]
     public string CustomThemeCssUri { get; set; }
 
-    [Display(Name = "Custom Theme File")]
-    [JsonIgnore]
-    public IFormFile CustomThemeFile { get; set; }
-
     public string CustomThemeFileId { get; set; }
 
-    [Display(Name = "Logo")]
-    [JsonIgnore]
-    public IFormFile LogoFile { get; set; }
-
     public string LogoFileId { get; set; }
 
     public bool FirstRun { get; set; }

BTCPayServer/Views/Shared/PointOfSale/Public/_Layout.cshtml

@@ -3,6 +3,7 @@
 @using System.IO
 @using BTCPayServer.Services
 @inject IWebHostEnvironment WebHostEnvironment
+@inject SettingsRepository SettingsRepository
 @inject BTCPayServerEnvironment Env
 @model BTCPayServer.Plugins.PointOfSale.Models.ViewPointOfSaleViewModel
 @{
@@ -12,6 +13,7 @@
     
     async Task<string> GetDynamicManifest(string title)
     {
+        var settings = await SettingsRepository.GetSettingAsync<ServerSettings>() ?? new ServerSettings();
         var manifest = WebHostEnvironment.WebRootFileProvider.GetFileInfo("manifest.json");
         if (!manifest.Exists)
         {
@@ -19,8 +21,9 @@
         }
         using var reader = new StreamReader(manifest.CreateReadStream());
         var jObject = JObject.Parse(await reader.ReadToEndAsync());
+        var serverName = string.IsNullOrWhiteSpace(settings.ServerName) ? "BTCPay Server" : settings.ServerName;
         jObject["short_name"] = title;
-        jObject["name"] = $"BTCPay Server: {title}";
+        jObject["name"] = $"{serverName}: {title}";
         foreach (var jToken in jObject["icons"]!)
         {
             var icon = (JObject)jToken;

BTCPayServer/Views/Shared/_LayoutSignedOut.cshtml

@@ -1,7 +1,13 @@
+@using BTCPayServer.Services
+@using Microsoft.AspNetCore.Mvc.TagHelpers
+@using BTCPayServer.Components.MainLogo
+@inject SettingsRepository SettingsRepository
 @{
     Layout = "_LayoutSimple";
     ViewBag.ShowTitle ??= true;
     ViewBag.ShowLeadText ??= false;
+    
+    var settings = await SettingsRepository.GetSettingAsync<ServerSettings>() ?? new ServerSettings();
 }
 
 @section PageHeadContent {
@@ -33,7 +39,7 @@
             <vc:main-logo />
         </a>
 
-        <h1 class="h2 mb-3">Welcome to your BTCPay&nbsp;Server</h1>
+        <h1 class="h2 mb-3">Welcome to @(string.IsNullOrWhiteSpace(settings.ServerName) ? "your BTCPay\u00a0Server" : settings.ServerName)</h1>
         @if (ViewBag.ShowLeadText)
         {
             <p class="lead">
@@ -49,11 +55,18 @@
 <div class="account-form">
     @if (ViewBag.ShowTitle)
     {
-	  <h4 v-pre>@ViewData["Title"]</h4>
+        <h4 v-pre>@ViewData["Title"]</h4>
     }
     @RenderBody()
 </div>
 
+@if (!string.IsNullOrWhiteSpace(settings.ContactUrl))
+{
+    <p class="text-center mt-n5 mb-5 pt-2">
+        <a class="text-secondary" href="@settings.ContactUrl" id="ContactLink">Contact Us</a>
+    </p>
+}
+
 <div class="row justify-content-center mt-5">
     <div class="col">
         <partial name="_BTCPaySupporters"/>

BTCPayServer/Views/UIError/_LayoutError.cshtml

@@ -3,7 +3,7 @@
 }
 
 <style>
-    .main-logo { height: 4rem; width: 18rem; }
+    .main-logo { height: 4.5rem; max-width: 18rem; }
     .main-logo-btcpay .main-logo-btcpay--small { display: none; }
     .lead img { max-width: 100%; }
 </style>

BTCPayServer/Views/UIHome/Home.cshtml

@@ -1,11 +1,15 @@
+@using BTCPayServer.Services
+@using Microsoft.AspNetCore.Mvc.TagHelpers
 @model HomeViewModel;
+@inject SettingsRepository SettingsRepository
 @{
-    ViewData["Title"] = "BTCPay Server";
+    var settings = await SettingsRepository.GetSettingAsync<ServerSettings>() ?? new ServerSettings();
+    ViewData["Title"] = string.IsNullOrWhiteSpace(settings.ServerName) ? "BTCPay Server" : settings.ServerName;
 }
 
 <partial name="_StatusMessage" />
 
-<h2>Welcome to your BTCPay Server</h2>
+<h2>Welcome to @(string.IsNullOrWhiteSpace(settings.ServerName) ? "your BTCPay\u00a0Server" : settings.ServerName)</h2>
 
 @if (!Model.HasStore)
 {

BTCPayServer/Views/UIServer/Branding.cshtml

@@ -1,9 +1,9 @@
 @using BTCPayServer.Abstractions.Contracts
 @using BTCPayServer.Services
-@model BTCPayServer.Services.ThemeSettings
+@model BrandingViewModel;
 @inject IFileService FileService
 @{
-    ViewData.SetActivePage(ServerNavPages.Theme, "Theme");
+    ViewData.SetActivePage(ServerNavPages.Branding, "Branding");
     var canUpload = await FileService.IsAvailable();
     var themeExtension = ((ThemeExtension[])Enum.GetValues(typeof(ThemeExtension))).Select(t =>
         new SelectListItem(typeof(ThemeExtension).DisplayName(t.ToString()), t == ThemeExtension.Custom ? null : t.ToString()));
@@ -18,6 +18,51 @@
 <div class="row">
     <div class="col-xl-8 col-xxl-constrain">
         <form method="post" enctype="multipart/form-data">
+            <div class="form-group">
+                <label asp-for="ServerName" class="form-label"></label>
+                <input asp-for="ServerName" class="form-control" />
+                <div class="form-text">You can give this server a custom name, which will appear on public facing pages.</div>
+                <span asp-validation-for="ServerName" class="text-danger"></span>
+            </div>
+            <div class="form-group">
+                <label asp-for="ContactUrl" class="form-label"></label>
+                <input asp-for="ContactUrl" class="form-control" />
+                <div class="form-text">
+                    Contact link for support requests related to this BTCPay Server instance.
+                    This link will appear on public facing pages.
+                    Can be any valid URI, such as a website, email, and Nostr.
+                </div>
+                <span asp-validation-for="ContactUrl" class="text-danger"></span>
+            </div>
+            <div class="form-group">
+                <div class="d-flex align-items-center justify-content-between gap-2">
+                    <label asp-for="LogoFile" class="form-label"></label>
+                    @if (!string.IsNullOrEmpty(Model.LogoFileId))
+                    {
+                        <button type="submit" class="btn btn-link p-0 text-danger" name="RemoveLogoFile" value="true">
+                            <span class="fa fa-times"></span> Remove
+                        </button>
+                    }
+                </div>
+                @if (canUpload)
+                {
+                    <div class="d-flex align-items-center gap-3">
+                        <input asp-for="LogoFile" type="file" class="form-control flex-grow">
+                        @if (!string.IsNullOrEmpty(Model.LogoFileId))
+                        {
+                            <img src="@(await FileService.GetFileUrl(Context.Request.GetAbsoluteRootUri(), Model.LogoFileId))" alt="Logo" style="height:2.1rem;max-width:10.5rem;"/>
+                        }
+                    </div>
+                    <span asp-validation-for="LogoFile" class="text-danger"></span>
+                }
+                else
+                {
+                    <input asp-for="LogoFile" type="file" class="form-control" disabled>
+                    <div class="form-text">In order to upload a logo, a <a asp-controller="UIServer" asp-action="Files">file storage</a> must be configured.</div>
+                }
+            </div>
+            
+            <h3 class="mt-5 mb-3">Theme</h3>
             <p>Use the default Light or Dark Themes, or provide a custom CSS theme file below.</p>
             
             <div class="d-flex align-items-center mb-3">
@@ -75,35 +120,6 @@
                 }
             </div>
             
-            <h3 class="mt-5 mb-3">Branding</h3>
-            <div class="form-group">
-                <div class="d-flex align-items-center justify-content-between gap-2">
-                    <label asp-for="LogoFile" class="form-label"></label>
-                    @if (!string.IsNullOrEmpty(Model.LogoFileId))
-                    {
-                        <button type="submit" class="btn btn-link p-0 text-danger" name="RemoveLogoFile" value="true">
-                            <span class="fa fa-times"></span> Remove
-                        </button>
-                    }
-                </div>
-                @if (canUpload)
-                {
-                    <div class="d-flex align-items-center gap-3">
-                        <input asp-for="LogoFile" type="file" class="form-control flex-grow">
-                        @if (!string.IsNullOrEmpty(Model.LogoFileId))
-                        {
-                            <img src="@(await FileService.GetFileUrl(Context.Request.GetAbsoluteRootUri(), Model.LogoFileId))" alt="Logo" style="height:2.1rem;max-width:10.5rem;"/>
-                        }
-                    </div>
-                    <span asp-validation-for="LogoFile" class="text-danger"></span>
-                }
-                else
-                {
-                    <input asp-for="LogoFile" type="file" class="form-control" disabled>
-                    <div class="form-text">In order to upload a logo, a <a asp-controller="UIServer" asp-action="Files">file storage</a> must be configured.</div>
-                }
-            </div>
-            
             <button type="submit" class="btn btn-primary mt-2" name="command" value="Save">Save</button>
         </form>
     </div>

BTCPayServer/Views/UIServer/Maintenance.cshtml

@@ -13,10 +13,8 @@
                 <input asp-for="DNSDomain" class="form-control" disabled="@(Model.CanUseSSH ? null : "disabled")" />
                 <div class="form-text">You can change the domain name of your server by following <a href="https://docs.btcpayserver.org/FAQ/Deployment/#how-to-change-your-btcpay-server-domain-name" target="_blank" rel="noreferrer noopener">this guide</a>.</div>
                 <span asp-validation-for="DNSDomain" class="text-danger"></span>
-                <button name="command" type="submit" class="btn btn-secondary mt-3" value="changedomain" title="Change domain" disabled="@(Model.CanUseSSH ? null : "disabled")">
-                    Confirm
-                </button>
             </div>
+            <button name="command" type="submit" class="btn btn-secondary" value="changedomain" title="Change domain" disabled="@(Model.CanUseSSH ? null : "disabled")">Change Domain</button>
 
             <h4 class="mt-5 mb-2">Restart</h4>
             <p>Restart BTCPay Server and related services.</p>

BTCPayServer/Views/UIServer/ServerNavPages.cs

@@ -2,7 +2,7 @@ namespace BTCPayServer.Views.Server
 {
     public enum ServerNavPages
     {
-        Index, Users, Emails, Policies, Theme, Services, Maintenance, Logs, Files, Plugins,
+        Index, Users, Emails, Policies, Branding, Services, Maintenance, Logs, Files, Plugins,
         Roles
     }
 }

BTCPayServer/Views/UIServer/_Nav.cshtml

@@ -10,7 +10,7 @@
             <a asp-controller="UIServer" id="SectionNav-@ServerNavPages.Emails" class="nav-link @ViewData.IsActivePage(ServerNavPages.Emails)" asp-action="Emails">Email</a>
             <a asp-controller="UIServer" id="SectionNav-@ServerNavPages.Policies" class="nav-link @ViewData.IsActivePage(ServerNavPages.Policies)" asp-action="Policies">Policies</a>
             <a asp-controller="UIServer" id="SectionNav-@ServerNavPages.Services" class="nav-link @ViewData.IsActivePage(ServerNavPages.Services)" asp-action="Services">Services</a>
-            <a asp-controller="UIServer" id="SectionNav-@ServerNavPages.Theme" class="nav-link @ViewData.IsActivePage(ServerNavPages.Theme)" asp-action="Theme">Theme</a>
+            <a asp-controller="UIServer" id="SectionNav-@ServerNavPages.Branding" class="nav-link @ViewData.IsActivePage(ServerNavPages.Branding)" asp-action="Branding">Branding</a>
             @if (_btcPayServerOptions.DockerDeployment)
             {
                 <a asp-controller="UIServer" id="SectionNav-@ServerNavPages.Maintenance" class="nav-link @ViewData.IsActivePage(ServerNavPages.Maintenance)" asp-action="Maintenance">Maintenance</a>

BTCPayServer/Views/UIUserStores/CreateStore.cshtml

@@ -29,8 +29,8 @@
     @section PageHeadContent {
         <style>
             #FirstStore { max-width: 27rem; margin: 0 auto; text-align: center; }
-            #FirstStore .main-logo { height: 4rem; width: 18rem; }
+            #FirstStore .main-logo { height: 4.5rem; max-width: 18rem; }
-            #FirstStore .main-logo.main-logo-btcpay { height: 4.5rem; width: 2.5rem; }
+            #FirstStore .main-logo.main-logo-btcpay { width: 2.5rem; }
             #FirstStore .main-logo-btcpay .main-logo-btcpay--large { display: none; }
             #FirstStore .form-control, #FirstStore .form-select { width: 100%; }
             #FirstStore .form-text { font-size: var(--btcpay-font-size-s); }