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