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