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