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