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