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