.card.color {
  background-image:
       url("../img/k38-2.jpg"),
       linear-gradient(-33deg,
       rgb(206, 42, 36) 10.5%, 
       rgb(255, 244, 3) 35.29%, 
       rgb(77, 221, 129) 39.92%, 
       rgb(35, 29, 150) 48.74%, 
       rgb(206, 42, 36) 64.71%, 
       rgb(181, 64, 228) 71.43%),

       linear-gradient( 
       0deg, 
       rgba(14, 21, 46, 0.5) 0%, 
       hsl(180, 10%, 50%) 2.5%, 
       hsl(83, 50%, 35%) 5%, 
       hsl(180, 10%, 50%) 7.5%, 
       rgba(14, 21, 46, 0.5) 10% , 
       rgba(14, 21, 46, 0.5) 15% 
       ),
       radial-gradient(
       farthest-corner circle 
       at var(--mx) var(--my),
       rgba(6, 218, 255, 0.6) 0%, 
       rgba(38, 235, 127, 0.6) 25%, 
       rgba(155, 78, 228, 0.6) 50%, 
       rgba(228, 78, 90, 0.6) 75%
       );
  background-blend-mode: color-dodge, soft-light, screen;
  background-size: 200% 200%, 200% 700%, 300% 100%, 200% 100%;
  background-position: center, 0% var(--posy), var(--posx) var(--posy), var(--posx) var(--posy);
}

.card.color::after {
  content: "";
    background-size: 200% 200%, 200% 700%, 300% 100%, 200% 100%;
    background-position: calc(30% - 350px) calc(50% - 245px), 0% var(--posy), calc( var(--posx) * -1) calc( var(--posy) * -1), var(--posx) var(--posy);
    mix-blend-mode: exclusion;
  background-image: 
  url("../img/k38-1.jpg"),
  linear-gradient(-33deg,
  rgb(206, 42, 36) 10.5%, 
  rgb(255, 244, 3) 35.29%, 
  rgb(77, 221, 129) 39.92%, 
  rgb(35, 29, 150) 48.74%, 
  rgb(206, 42, 36) 64.71%, 
  rgb(181, 64, 228) 71.43%),

      repeating-linear-gradient( 
      0deg, 
      rgba(14, 21, 46, 0.5) 0%, 
      hsl(180, 10%, 50%) 2.5%, 
      hsl(83, 50%, 35%) 5%, 
      hsl(180, 10%, 50%) 7.5%, 
      rgba(14, 21, 46, 0.5) 10% , 
      rgba(14, 21, 46, 0.5) 15% 
      ),
      radial-gradient(
      farthest-corner circle 
      at var(--mx) var(--my),
      rgba(6, 218, 255, 0.6) 0%, 
      rgba(38, 235, 127, 0.6) 25%, 
      rgba(155, 78, 228, 0.6) 50%, 
      rgba(228, 78, 90, 0.6) 75%
      );
    background-blend-mode: color-dodge, soft-light, screen;
}