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