Periodic point

/* To force the SVG fallback in Gecko browsers, use the following style: */
span.mwe-math-mathml-inline, div.mwe-math-mathml-display {
    display: none !important;
}
span.mwe-math-mathml-inline + .mwe-math-fallback-image-inline {
    display: inline !important;
}
div.mwe-math-mathml-display + .mwe-math-fallback-image-display {
    display: block !important;
}