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