width: 500px;
height: 500px;
background:
repeating-linear-gradient(35deg, rgba(69,255,144,0) 0%, 1.67%, rgba(176,62,62,1) 1.67%, rgba(176,62,62,1) 5%, 5%, rgba(69,168,255,0) 6.67%, rgba(69,168,255,0) 6.67%) 0px 0px / 500px 500px no-repeat no-repeat, /* New Gradient (copy) */
repeating-linear-gradient(145deg, rgba(69,255,144,0) 0%, 1.67%, rgba(136,30,30,1) 1.67%, rgba(136,30,30,1) 5%, 5%, rgba(69,168,255,0) 6.67%, rgba(69,168,255,0) 6.67%) 0px 0px / 500px 500px no-repeat no-repeat, /* New Gradient */
linear-gradient(0deg, rgba(49,7,7,1) 0%, rgba(49,7,7,1) 100%) 0px 0px / 500px 500px no-repeat no-repeat; /* New Gradient */