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