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