button
From Brickipedia, the LEGO Wiki
<div class="infoBtn infoBtnOn" id="tabs{{{1}}}On" style="padding-left: 8px; padding-right: 8px; border-radius: 10px 10px 0 0; background:#Expression error: Unexpected > operator.; color: #{{{txt}}}; font-weight: bold;
display:inline-block">{{{tabName}}}