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