\Configure{boxed}
{\ifmathltx \HCode{\string\class\l:brace boxed\r:brace\l:brace}%
\else \HCode{<span class="boxed">}\IgnorePar\fi}
{\ifmathltx \HCode{\r:brace}%
\else \HCode{</span>}\fi}
\Css{.boxed{border: 1px solid black; padding-left:2px;
padding-right:2px;}}
-_-_-