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