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