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