OutlinesThe outline-color, outline-style, and outline-width and outline-offset CSS properties style a line around an element, outside of the border.widely2017-04-052019-10-05https://drafts.csswg.org/css-ui-4/#outlinehttps://developer.mozilla.org/docs/Web/CSS/Reference/Properties/outline-colorcss.properties.outline-colorcss.properties.outline-color.transparentcss.properties.outline-offsetcss.properties.outline-stylecss.properties.outline-style.autocss.properties.outline-style.dashedcss.properties.outline-style.dottedcss.properties.outline-style.doublecss.properties.outline-style.groovecss.properties.outline-style.insetcss.properties.outline-style.nonecss.properties.outline-style.outsetcss.properties.outline-style.ridgecss.properties.outline-style.solidcss.properties.outline-widthcss.properties.outline-width.mediumcss.properties.outline-width.thickcss.properties.outline-width.thinhttps://nowyoucanuse.com/features--outlines.html