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