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