/* {{pp-template}}This implementation is fromhttps://cloudfour.com/thinks/see-no-evil-hidden-content-and-accessibility/#showing-additional-content-for-screen-readerswhich is a slight tweak from https://accessibility.18f.gov/hidden-content/ .https://webaim.org/techniques/css/invisiblecontent/#techniqueshas slightly different CSS clip, rect (1px) for all dimensions.WARNING:Template:Fraction and friends use this styles.css page and class directly ratherthan going through the template.*//* We retain .sr-only as the class name because it's used by the outside world. */.sr-only{border:0;clip:rect(0,0,0,0);/* Removed from CSS specification *//* clip-path is the replacement for clip, but very few browsers support it. */clip-path:polygon(0px0px,0px0px,0px0px);height:1px;margin:-1px;overflow:hidden;padding:0;position:absolute;width:1px;white-space:nowrap;}