Body{
background-color: Black;
background-image:url("/Mask_Diabo_of_Portugal_used_on_folk_fest_and_rituals-Photoroom.png");
 background-position: center center;
  background-repeat: no-repeat;
  background-attachment: fixed;
  background-size: contain;
}
.corner {
    position: fixed;
    bottom: -155px;
    width: auto;   /* Change size */
    height: 600px;
    z-index: -1;  /* Keeps them above most content */
    pointer-events: none; /* Optional: lets you click through them */
}

.left {
    left: 0;
    transform: scaleX(-1);
}

.right {
    right: 0;
    transform: scaleX(1); /* Mirror the right image */
}