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