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