Element block pseudo-class :active generated with display block border 0px rgba(0,0,0,1) solid position static padding 0px z-index auto box-shadow 0px 0px 1px rgba(0,0,0,0.5) text-shadow border-radius font-size 16px margin 0px line-height 1 cursor default width auto transition transform outline none opacity 1 height auto overflow visible background font-weight normal float none box-sizing content-box