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