Introduce minimal backgroundRepeat in CSS API

web/core/src/jsMain/kotlin/androidx/compose/web/css/properties/background.kt

@@ -27,3 +27,8 @@ fun StyleBuilder.backgroundImage(value: String) {
 fun StyleBuilder.backgroundPosition(value: String) {
     property("background-position", value)
 }
+
+// https://developer.mozilla.org/en-US/docs/Web/CSS/background-repeat
+fun StyleBuilder.backgroundRepeat(value: String) {
+    property("background-repeat", value)
+}

web/core/src/jsTest/kotlin/css/CSSBackgroundTests.kt

@@ -7,10 +7,7 @@ package org.jetbrains.compose.web.core.tests.css
 
 import kotlinx.browser.window
 import org.jetbrains.compose.web.core.tests.runTest
-import org.jetbrains.compose.web.css.backgroundAttachment
+import org.jetbrains.compose.web.css.*
-import org.jetbrains.compose.web.css.backgroundColor
-import org.jetbrains.compose.web.css.backgroundImage
-import org.jetbrains.compose.web.css.backgroundPosition
 import org.jetbrains.compose.web.dom.Div
 import org.w3c.dom.HTMLElement
 import org.w3c.dom.get
@@ -93,4 +90,19 @@ class CSSBackgroundTests {
         assertEquals("50% 50%", window.getComputedStyle(root.children[2] as HTMLElement).backgroundPosition)
         assertEquals("25% 75%", window.getComputedStyle(root.children[3] as HTMLElement).backgroundPosition)
     }
+
+    @Test
+    fun backgroudRepeat() = runTest {
+        composition {
+            Div({style {
+                backgroundRepeat("space repeat")
+            }})
+            Div({style {
+                backgroundRepeat("space repeat")
+            }})
+        }
+
+        assertEquals("space repeat", window.getComputedStyle(root.children[0] as HTMLElement).backgroundRepeat)
+    }
+
 }