outlineThe outline CSS shorthand sets the color, style, and width of a line around an element, outside of the border.widely2023-03-272025-09-27https://drafts.csswg.org/css-ui-4/#outlinehttps://developer.mozilla.org/docs/Web/CSS/Reference/Properties/outlinecss.properties.outlinecss.properties.outline.currentColorcss.properties.outline.dashedcss.properties.outline.dottedcss.properties.outline.doublecss.properties.outline.groovecss.properties.outline.insetcss.properties.outline.mediumcss.properties.outline.nonecss.properties.outline.outsetcss.properties.outline.ridgecss.properties.outline.solidcss.properties.outline.thickcss.properties.outline.thincss.properties.outline.transparenthttps://nowyoucanuse.com/features--outline.html