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