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