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