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