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