Template:Infobox element/sandbox/styles.css

 .ib-element-periodic-table{
 background-color:var(--background-color-neutral-subtle,#f8f9fa);
 border:1pxsolidvar(--border-color-base,#a2a9b1);
 text-align:center;
 padding:0.4em;
 display:grid;
 justify-content:center;
 align-items:center;
 grid-template-columns:min-contentmin-content;
 gap:0.2em;
 }

 .ib-element-periodic-table-symbol,
 .ib-element-periodic-table-name{
 font-size:90%;/* 90 * 88 < 85% */
 line-height:100%;
 }

 .ib-element-periodic-table-name{
 grid-column:1/3;
 }

 .ib-element-vapor-pressure{
 text-align:center;
 font-size:90%;/* because it spanned the infobox out of mobile screen. Nov 2018 */
 border-collapse:collapse;
 margin:0auto;
 }

 /*
  * override Minerva's infobox padding which causes the table to be too big
  * Probably merits an upstream task to tighten their selector to just the infobox
  * th/tds and not any old th/td internal to the infobox
  * 0.2em matches Minerva's normal .wikitable padding
  */
 body.skin--responsive.skin-minerva.ib-element-vapor-pressureth,
 body.skin--responsive.skin-minerva.ib-element-vapor-pressuretd{
 padding:0.2em;
 }