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