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