Element block pseudo-class :active generated with position relative box-sizing content-box margin 0px font-size 8em z-index auto cursor default line-height normal transform opacity 1 display inline-block height 0.75em border 0em #1abc9c solid width 0.75em overflow visible font-weight normal transition padding 0px outline none background border-radius float none box-shadow 0px 0px 2px rgba(0,0,0,0.5) text-shadow