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