Element block pseudo-class :active generated with float none font-weight normal border-radius display block font-size 16px cursor default border 0px rgba(0,0,0,1) solid text-shadow 1px 1px 1px rgba(0,0,0,0.2) box-shadow 2px 1px 1px rgba(0,0,0,0.3) background margin 0px padding 20px width 160px box-sizing content-box position static transition line-height 1 height auto transform overflow hidden z-index auto