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