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