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