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