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