docs: Remove background color of ==== blocks.

Author: robhz786

docs/my-style.css

@@ -386,7 +386,7 @@ p strong,td.content strong,div.footnote strong{letter-spacing:-.005em}
 p,blockquote,dt,td.content,span.alt,summary{font-size:1.0625rem}
 p{margin-bottom:1.25rem}
 .sidebarblock p,.sidebarblock dt,.sidebarblock td.content,p.tableblock{font-size:1em}
-.exampleblock>.content{background:#fffef7;border-color:#e0e0dc;box-shadow:0 1px 4px #e0e0dc}
+.exampleblock>.content{border-color:#e0e0dc;box-shadow:0 1px 4px #e0e0dc}
 .print-only{display:none!important}
 @page{margin:1.25cm .75cm}
 @media print{*{box-shadow:none!important;text-shadow:none!important}