body {
  background-color: rgba(255, 251, 167, 0.1);
  background-image:  
    linear-gradient(rgba(134, 51, 187, 0.2) 0.8px, transparent 0.1px), 
    linear-gradient(90deg, rgba(134, 51, 187, 0.2) 0.8px, transparent 0.1px), 
    linear-gradient(rgba(134, 51, 187, 0.2) 0.4px, transparent 0.1px), 
    linear-gradient(90deg, rgba(134, 51, 187, 0.2) 0.4px, transparent 0.1px);
  background-size: 20px 20px, 20px 20px, 4px 4px, 4px 4px;
  background-position: -0.8px -0.8px, -0.8px -0.8px, -0.4px -0.4px, -0.4px -0.4px;
}