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