/* app icon, macOS style */
p:has(> img[alt="Gradiometer icon"]) {
  filter: drop-shadow(0 calc(128px * 10 / 1024) calc(128px * 31 / 1024) rgba(0, 0, 0, 0.27));
}
img[alt="Gradiometer icon"] {
  display: block;
  box-sizing: border-box;
  width: 128px;
  height: 128px;
  padding: calc(128px * 100 / 1024);
  -webkit-mask: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 1 1'%3E%3Cpath d='M 0.29 0 L 0.71 0 C 0.8956 0 1 0.1044 1 0.29 L 1 0.71 C 1 0.8956 0.8956 1 0.71 1 L 0.29 1 C 0.1044 1 0 0.8956 0 0.71 L 0 0.29 C 0 0.1044 0.1044 0 0.29 0 Z'/%3E%3C/svg%3E") content-box center / 100% 100% no-repeat;
  mask: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 1 1'%3E%3Cpath d='M 0.29 0 L 0.71 0 C 0.8956 0 1 0.1044 1 0.29 L 1 0.71 C 1 0.8956 0.8956 1 0.71 1 L 0.29 1 C 0.1044 1 0 0.8956 0 0.71 L 0 0.29 C 0 0.1044 0.1044 0 0.29 0 Z'/%3E%3C/svg%3E") content-box center / 100% 100% no-repeat;
}