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