body {
  
   margin-left: 10px;
  margin-right: 10px;
 

  background-image: repeating-linear-gradient(45deg, rgba(97,97,97,0.1) 0px, rgba(97,97,97,0.1) 2px,transparent 2px, transparent 4px),linear-gradient(90deg, rgb(43,43,43),rgb(43,43,43));
}