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