/* A subtle brick background pattern using SVG data URI */
.brick-pattern {
  background-color: #4a5568; /* fallback color */
  background-image: url("data:image/svg+xml,%3Csvg width='40' height='40' viewBox='0 0 40 40' xmlns='http://www.w3.org/2000/svg'%3E%3Cg fill='%232d3748' fill-opacity='0.4' fill-rule='evenodd'%3E%3Cpath d='M0 40L40 0H0v40zM40 40V0h-2.5L0 37.5V40h40z'/%3E%3C/g%3E%3C/svg%3E");
}