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