.fondo{min-height:100vh;min-width:100vw;background-color:#1e3a8a;background-image:repeating-linear-gradient(135deg,rgba(30,58,138,.15) 0 10px,transparent 10px 20px),repeating-linear-gradient(45deg,#23272b 0 2px,transparent 2px 8px),linear-gradient(135deg,#1e3a8a,#23272b);background-blend-mode:overlay,lighten,normal}