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