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