diff --git a/theme/bootstrap5.go b/theme/bootstrap5.go
new file mode 100644
index 0000000..34d697e
--- /dev/null
+++ b/theme/bootstrap5.go
@@ -0,0 +1,140 @@
+package theme
+
+var Bootstrap5 = map[string]string{
+	"form": `<form action="{{ .Form.Action }}" method="{{ .Form.Method }}" {{ form_attr .Form }}>
+		{{- form_error .Form nil -}}
+
+		{{- form_help .Form -}}
+
+		{{- range $field := .Form.Fields -}}
+			{{- form_row $field -}}
+		{{- end -}}
+	</form>`,
+	"attributes": `{{ range $key, $value := .Attributes }}{{ $key }}="{{ $value }}"{{ end }}`,
+	"help": `
+		{{- if gt (len .Help) 0 -}}
+			<div class="form-help">{{ .Help }}</div>
+		{{- end -}}
+	`,
+	"label": `
+		{{ if .Field.HasOption "label" }}
+			{{ $label := (.Field.GetOption "label").Value }}
+
+			{{- if ne $label "" -}}
+				<label for="{{ .Field.GetId }}" {{ form_label_attr .Field }}  class="form-label">{{ $label }}</label>
+			{{- end -}}
+		{{- end -}}
+	`,
+	"input": `
+		{{- $type := .Field.GetOption "type" -}}
+		{{- $checked := and (eq (.Field.GetOption "type").Value "checkbox") (.Field.Data) -}}
+		{{- $required := and (.Field.HasOption "required") (.Field.GetOption "required").Value -}}
+		{{- $value := .Field.Data -}}
+		{{- $class := "form-control" }}
+
+		{{- if eq $type.Value "checkbox" -}}
+			{{- $value = 1 -}}
+		{{- end -}}
+		
+		{{- if or (eq $type.Value "checkbox") (eq $type.Value "radio") -}}
+			{{- $class = "form-check-input" -}}
+		{{- end -}}
+
+		{{- if eq $type.Value "range" -}}
+			{{- $class = "form-range" -}}
+		{{- end -}}
+
+		{{- if or (eq $type.Value "submit") (eq $type.Value "reset") (eq $type.Value "button") -}}
+			{{- $class = "" -}}
+
+			{{ if .Field.HasOption "attr" }}
+				{{ $class = (.Field.GetOption "attr").Value.attr.class }}
+			{{ end }}
+		{{- end -}}
+
+		<input id="{{ .Field.GetId }}" {{ if $checked }}checked{{ end }} {{ if $required }}required="required"{{ end }} name="{{ .Field.GetName }}" value="{{ $value }}" type="{{ $type.Value }}" {{ form_widget_attr .Field }} class="{{ $class }}">
+	`,
+	"textarea": `
+		<textarea id="{{ .Field.GetId }}" {{ if .Field.HasOption "required" }}{{ if (.Field.GetOption "required").Value }}required="required"{{ end }}{{ end }} name="{{ .Field.GetName }}" {{ form_widget_attr .Field }} class="form-control">{{ .Field.Data }}</textarea>
+	`,
+	"choice": `
+		{{- $required := and (.Field.HasOption "required") (.Field.GetOption "required").Value -}}
+		{{- $isExpanded := (.Field.GetOption "expanded").Value -}}
+		{{- $isMultiple := (.Field.GetOption "multiple").Value -}}
+		{{- $emptyChoiceLabel := (.Field.GetOption "empty_choice_label").Value -}}
+		{{- $choices := (.Field.GetOption "choices").Value -}}
+		{{- $field := .Field -}}
+		{{- $keyAdd := 0 -}}
+
+		{{- if and (not $required) (not $isMultiple) -}}
+			{{- $keyAdd = 1 -}}
+		{{- end -}}
+
+		{{- if $isExpanded -}}
+			{{- if and (not $required) (not $isMultiple) -}}
+				<div class="form-check">
+					<input value="" {{ if not $field.Data }}checked{{ end }} name="{{ $field.GetName }}" type="radio" id="{{ $field.GetId }}-0" class="form-check-input">
+					<label for="{{ $field.GetId }}-0" class="form-check-label">{{ ($field.GetOption "empty_choice_label").Value }}</label>
+				</div>
+			{{- end -}}
+
+			{{- range $key, $choice := $choices.GetChoices -}}
+				<div class="form-check">
+					<input name="{{ $field.GetName }}" type="{{ if $isMultiple }}checkbox{{ else }}radio{{ end }}" value="{{ $choice.Value }}" {{ if $choices.Match $field $choice.Value }}checked{{ end }} id="{{ $field.GetId }}-{{ sum $key $keyAdd }}" class="form-check-input">
+					<label for="{{ $field.GetId }}-{{ sum $key $keyAdd }}" class="form-check-label">{{- $choice.Label -}}</label>
+				</div>
+			{{- end -}}
+		{{- else -}}
+			<select id="{{ .Field.GetId }}" {{ if $required }}required="required"{{ end }} {{ if $isMultiple }}multiple{{ end }} name="{{ .Field.GetName }}" {{ form_widget_attr .Field }} class="form-select">
+				{{- if and (not $required) (not $isMultiple) -}}
+					<option value="">{{ $emptyChoiceLabel }}</option>
+				{{- end -}}
+				{{- range $choice := $choices.GetChoices -}}
+					<option value="{{ $choice.Value }}" {{ if $choices.Match $field $choice.Value }}selected{{ end }}>{{ $choice.Label }}</option>
+				{{- end -}}
+			</select>
+		{{- end -}}
+	`,
+	"sub_form": `
+		<fieldset id="{{ .Field.GetId }}">
+			{{ if .Field.HasOption "label" }}
+				{{ $label := (.Field.GetOption "label").Value }}
+
+				{{- if ne $label "" -}}
+					<legend {{ form_label_attr .Field }}>{{ $label }}</legend>
+				{{- end -}}
+			{{- end -}}
+
+			{{ form_widget_help .Field }}
+
+			{{- range $field := .Field.Children -}}
+				{{- form_row $field -}}
+			{{- end -}}
+		</fieldset>
+	`,
+	"error": `
+		{{- if gt (len .Errors) 0 -}}
+			<div class="invalid-feedback d-block">
+				{{- range $error := .Errors -}}
+					<div>{{- $error -}}</div>
+				{{- end -}}
+			</div>
+		{{- end -}}
+	`,
+	"row": `<div {{ form_row_attr .Field }}>
+		{{ $labelAfterWidget := and (.Field.HasOption "type") (eq (.Field.GetOption "type").Value "checkbox") }}
+
+		{{ if and (eq (len .Field.Children) 0) (not $labelAfterWidget) }}
+			{{- form_label .Field -}}
+		{{ end }}
+
+		{{- form_widget .Field -}}
+		{{- form_error nil .Field -}}
+
+		{{ if and (eq (len .Field.Children) 0) ($labelAfterWidget) }}
+			{{- form_label .Field -}}
+		{{ end }}
+
+		{{- form_widget_help .Field -}}
+	</div>`,
+}