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