.canvas-container {
  --background-image: url("/img/wall1.jpg");
  /* pos */
  position: relative;
  overflow: hidden;
  height: 100vh;
  /* display */
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  /* clr */
  background-color: var(--bg);
  color: var(--font);
  text-shadow: 0 0 0.5rem var(--font-shadow);
  text-align: justify;
  z-index: 1;
}

.canvas-container::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background-image: var(--background-image);
  background-size: cover;
  background-position: center;
  background-repeat: no-repeat;
  filter: brightness(0.9);
  z-index: -1; /* Keep the background behind the content */
}

.canvas-app::before {
  filter: brightness(0.25); /* Apply your desired filter */
}

/* terminal effect */
.canvas-container::after {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  width: 100vw;
  height: 100vh;
  background: repeating-linear-gradient(
    0deg,
    transparent,
    transparent 1px,
    rgba(0, 0, 0, 0.25) 1px,
    rgba(0, 0, 0, 0.15) 2px
  );
  pointer-events: none;
}

/* matrix effect */
#background {
  position: absolute;
  font-family: monospace;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: #00000000;
  z-index: -1;
  opacity: 0.2;
}

/* lights */
.background-lights {
  position: absolute;
  top: 50%;
  left: 50%;
  width: 200%;
  transform: translate(-50%, -50%);
  z-index: -1;
}
