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