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