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