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