Element block pseudo-class :active generated with height auto font-weight normal transition box-sizing content-box padding 20px overflow hidden outline none transform background border 20px rgb(0, 123, 255) solid z-index auto line-height 1 position static font-size 16px cursor default opacity 1 display block width 160px float none margin 0px box-shadow 1px 1px 1px rgba(0,0,0,0.3) status border-radius text-shadow 1px 1px 1px rgba(0,0,0,0.2)