3 files changed, 6 insertions, 0 deletions
diff --git a/internal/api/model/instance.go b/internal/api/model/instance.go
index 5232e8d66..d59424fa5 100644
--- a/internal/api/model/instance.go
+++ b/internal/api/model/instance.go
@@ -33,6 +33,8 @@ type InstanceSettingsUpdateRequest struct {
 	ShortDescription *string `form:"short_description" json:"short_description" xml:"short_description"`
 	// Longer description of the instance, max 5,000 chars. HTML formatting accepted.
 	Description *string `form:"description" json:"description" xml:"description"`
+	// Custom CSS for the instance.
+	CustomCSS *string `form:"custom_css" json:"custom_css,omitempty" xml:"custom_css"`
 	// Terms and conditions of the instance, max 5,000 chars. HTML formatting accepted.
 	Terms *string `form:"terms" json:"terms" xml:"terms"`
 	// Image to use as the instance thumbnail.
diff --git a/internal/api/model/instancev1.go b/internal/api/model/instancev1.go
index efa6d6faa..6dedd04cc 100644
--- a/internal/api/model/instancev1.go
+++ b/internal/api/model/instancev1.go
@@ -38,6 +38,8 @@ type InstanceV1 struct {
 	//
 	// This should be displayed on the 'about' page for an instance.
 	Description string `json:"description"`
+	// Custom CSS for the instance.
+	CustomCSS string `json:"custom_css,omitempty"`
 	// Raw (unparsed) version of description.
 	DescriptionText string `json:"description_text,omitempty"`
 	// A shorter description of the instance.
diff --git a/internal/api/model/instancev2.go b/internal/api/model/instancev2.go
index 8d6873497..982ed0c63 100644
--- a/internal/api/model/instancev2.go
+++ b/internal/api/model/instancev2.go
@@ -53,6 +53,8 @@ type InstanceV2 struct {
 	Description string `json:"description"`
 	// Raw (unparsed) version of description.
 	DescriptionText string `json:"description_text,omitempty"`
+	// Instance Custom Css
+	CustomCSS string `json:"custom_css,omitempty"`
 	// Basic anonymous usage data for this instance.
 	Usage InstanceV2Usage `json:"usage"`
 	// An image used to represent this instance.