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