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