Element block pseudo-class :hover generated with box-sizing content-box transform padding 20px float none text-shadow 1px 1px 1px rgba(0,0,0,0.2) margin 0px height auto background line-height 1 z-index auto position static transition font-size 16px border-radius cursor default opacity 1 font-weight normal width 160px display block box-shadow outline none overflow hidden border 2px rgba(220,220,220,1) solid