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