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