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