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