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