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