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