diff --git a/color.go b/color.go
index 5ce76cc..ba29f12 100644
--- a/color.go
+++ b/color.go
@@ -84,7 +84,7 @@ func stringToColor(text string) (Color, error) {
 
 	text = strings.Trim(text, " \t\r\n")
 	if text == "" {
-		return 0, errors.New(`Invalid color value: ""`)
+		return 0, errors.New(`invalid color value: ""`)
 	}
 
 	if text[0] == '#' {
diff --git a/numberPicker.go b/numberPicker.go
index c126d99..0b44789 100644
--- a/numberPicker.go
+++ b/numberPicker.go
@@ -2,6 +2,7 @@ package rui
 
 import (
 	"fmt"
+	"math"
 	"strconv"
 	"strings"
 )
@@ -231,13 +232,17 @@ func (picker *numberPickerData) htmlProperties(self View, buffer *strings.Builde
 	}
 
 	min, max := GetNumberPickerMinMax(picker, "")
-	buffer.WriteString(` min="`)
-	buffer.WriteString(strconv.FormatFloat(min, 'f', -1, 64))
-	buffer.WriteByte('"')
+	if min != math.Inf(-1) {
+		buffer.WriteString(` min="`)
+		buffer.WriteString(strconv.FormatFloat(min, 'f', -1, 64))
+		buffer.WriteByte('"')
+	}
 
-	buffer.WriteString(` max="`)
-	buffer.WriteString(strconv.FormatFloat(max, 'f', -1, 64))
-	buffer.WriteByte('"')
+	if max != math.Inf(1) {
+		buffer.WriteString(` max="`)
+		buffer.WriteString(strconv.FormatFloat(max, 'f', -1, 64))
+		buffer.WriteByte('"')
+	}
 
 	step := GetNumberPickerStep(picker, "")
 	if step != 0 {
@@ -305,14 +310,24 @@ func GetNumberPickerMinMax(view View, subviewID string) (float64, float64) {
 		view = ViewByID(view, subviewID)
 	}
 	if view != nil {
-		min, ok := floatStyledProperty(view, NumberPickerMin, 0)
+		t, _ := enumStyledProperty(view, NumberPickerType, NumberEditor)
+		var defMin, defMax float64
+
+		if t == NumberSlider {
+			defMin = 0
+			defMax = 1
+		} else {
+			defMin = math.Inf(-1)
+			defMax = math.Inf(1)
+		}
+		min, ok := floatStyledProperty(view, NumberPickerMin, defMin)
 		if !ok {
-			min, _ = floatStyledProperty(view, Min, 0)
+			min, _ = floatStyledProperty(view, Min, defMin)
 		}
 
-		max, ok := floatStyledProperty(view, NumberPickerMax, 1)
+		max, ok := floatStyledProperty(view, NumberPickerMax, defMax)
 		if !ok {
-			min, _ = floatStyledProperty(view, Max, 1)
+			max, _ = floatStyledProperty(view, Max, defMax)
 		}
 
 		if min > max {
diff --git a/propertyNames.go b/propertyNames.go
index a8797d4..b7f2773 100644
--- a/propertyNames.go
+++ b/propertyNames.go
@@ -396,8 +396,6 @@ const (
 	Value = "value"
 	// Orientation is the constant for the "orientation" property tag.
 	Orientation = "orientation"
-	// Anchor is the constant for the "anchor" property tag.
-	Anchor = "anchor"
 	// Gap is the constant for the "gap" property tag.
 	Gap = "gap"
 	// Text is the constant for the "text" property tag.
diff --git a/propertySet.go b/propertySet.go
index dd4d0cf..ae55c28 100644
--- a/propertySet.go
+++ b/propertySet.go
@@ -346,11 +346,6 @@ var enumProperties = map[string]struct {
 		"vertical-align",
 		[]string{"top", "bottom", "middle", "baseline", "baseline"},
 	},
-	Anchor: {
-		[]string{"top", "bottom"},
-		"",
-		[]string{"top", "bottom"},
-	},
 	Cursor: {
 		[]string{"auto", "default", "none", "context-menu", "help", "pointer", "progress", "wait", "cell", "crosshair", "text", "vertical-text", "alias", "copy", "move", "no-drop", "not-allowed", "e-resize", "n-resize", "ne-resize", "nw-resize", "s-resize", "se-resize", "sw-resize", "w-resize", "ew-resize", "ns-resize", "nesw-resize", "nwse-resize", "col-resize", "row-resize", "all-scroll", "zoom-in", "zoom-out", "grab", "grabbing"},
 		Cursor,
diff --git a/view.go b/view.go
index a7d1414..3ab207f 100644
--- a/view.go
+++ b/view.go
@@ -567,6 +567,12 @@ func viewPropertyChanged(view *viewData, tag string) {
 			updateCSSProperty(htmlID, ZIndex, strconv.Itoa(i), session)
 		}
 		return
+
+	case Row, Column:
+		if parent := view.parentHTMLID(); parent != "" {
+			updateInnerHTML(parent, session)
+		}
+		return
 	}
 
 	if cssTag, ok := sizeProperties[tag]; ok {