Update README.md

webciter · May 5, 2019 · 750c8d9 · 750c8d9
1 parent 85da933
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diff --git a/README.md b/README.md
@@ -3,6 +3,7 @@ Set both the Alpha Transparency of Text and Backgrounds maintaining inheritance
 
 <pre>
 var element = document.getElementById("test");
+element.style.backgroundColor = "#000"; /* you need to set the background color first*/
 element.setBackgroundAlpha(50); /* 50 transparency */
 </pre>