doc-src/templates/default/fulldoc/html/css/common.css

/* Default color is 888, change to 666 for at least a 4.5 contrast ratio */
li .item { color: #666; cursor: pointer; }
#search { width: 170px; position: static; margin: 3px; margin-left: 10px; font-size: 0.9em; color: #666; padding-left: 0; padding-right: 24px; }

/* Override opacity for at least a 4.5 contrast ratio */
li.collapsed a.toggle { opacity: 1; cursor: default; background-position: top left; }

/* Make all links bolder. 400 is normal, 700 is bold  */
a { font-weight: 550; }

/* For small screen sizes */
@media (max-width: 320px) {
  body { height: 100%; overflow-wrap: break-word; }
  #main { height: 100%; overflow: auto; }
}

/* For status message search results reading */
.visually-hidden {
  position: absolute;
  top: auto;
  overflow: hidden;
  clip: rect(1px, 1px, 1px,  1px);
  width: 1px;
  height: 1px;
  white-space: nowrap;
}