Update index.html

Spacing

Author: Gmac4247

index.html

@@ -1901,7 +1901,7 @@ <h3 itemprop="name" style="margin:7px">Calculate the Area of a Circle</h3>
 </span>
 </div>
 </div>
-<br><br>
+<br>
 <div style="margin:12px" itemprop="step" itemscope itemtype="https://schema.org/HowToStep">
 <meta itemprop="position" content="3">
 <div itemprop="about" itemscope itemtype="https://schema.org/PropertyValue">