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