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