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