Element block pseudo-class :active generated with background font-weight normal border-radius box-sizing content-box box-shadow 1px 1px 1px rgba(0,0,0,0.3) transition font-size 7px z-index auto text-shadow 1px 1px 1px rgba(0,0,0,0.2) overflow hidden line-height 1 float none padding 0px height 20px margin 0px display block position static transform border 0px rgba(0,0,0,1) solid width 20px cursor default