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