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