/* SECTION LINES: Page 1's rippling contour lines as a quiet background on other pages
   (Page 2 and Page 3). Drawn by General/JS/section_lines.js. */

.section-lines {
  position: absolute;   /* placed freely in its section, behind the content */
  inset: 0;             /* fills the whole section */
  width: 100%;
  height: 100%;
  opacity: 0.45;        /* fainter than on Page 1, so the lines blend into the background. Lower = fainter */
  pointer-events: none; /* the mouse goes straight through to whatever is underneath */
}