ecommend to use <code>NULL</code> for "replace" and "inline" method
to let it automatically be calculated, but required for "full_screen" method.</p></dd>


<dt><code>width</code></dt>
<dd><p>string, default is the same as <code>height</code> to make it square.</p></dd>


<dt><code>color</code></dt>
<dd><p>string, any valid CSS color name, or hex color code</p></dd>


<dt><code>opacity</code></dt>
<dd><p>number, between 0-1</p></dd>


<dt><code>method</code></dt>
<dd><p>one of "replace", "inline", "full_scr