ader text styles. Add <code>&lt;small&gt;</code> for inline captions.</p>

<p>The uppercase style is applied to header tags starting from <code>&lt;h3&gt;</code> and under for emphasis. You can change the default setting by changing the <code>@header-uppercase</code> variable in <b>petal.less</b> to <code>false</code>.</p>

<p>To manually apply the uppercase and wide letter-spacing appearance, use <code>.uppercase</code> and <code>.keepcase</code> if the other way around.</p>

<p>Header tags have their <cod