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