--message-border-color: var(--warning-border);
  --message-color: var(--warning-text);
  --message-icon-color: var(--warning-icon);
}

/*
 * Layout of the message
 *
 *  +--------+-----------------+----------+
 *  | Icon   | Message content | closing  |
 *  |        | (several lines) | button   |
 *  |        | (     ...     ) |(optional)|
 *  +--------+-----------------+----------+
 */
.message {
  background-color: var(--message-background-color);
  border: 1px solid var(--message-border-color);
  border-radius: var(--border-radius-small);
  color: var(--message-color);
  display: grid;
  grid-column-gap: var(--base-unit);
  grid-template-columns: calc(var(--base-unit) * 6) 1fr auto;
  grid-template-areas: "icon body button";
  margin: calc(var(--base-unit) * 2) 0;
  padding: var(--base-unit);
  -moz-context-properties: fill;
  /* Messages always have a background color that is suited for light scheme, so force
     the color scheme to avoid contrast issues on other elements (e.g. links) */
  color-scheme: light;
}

.message__icon {
  margin: var(--base-unit);
  fill: var(--message-icon-color);
  grid-area: icon;
}

.message__body {
  align-self: center;
  font-size: var(--message-font-size);
  font-weight: normal;
  grid-area: body;
  line-height: 1.6;
}

.message__button {
  grid-area: button;
  fill: var(--message-icon-color);
}

.message__button:hover {
  /* reverse colors with icon when hover state */
  background-color: var(--message-icon-color);
  fill: var(--message-background-color);
}

.message__button:active {
  /* reverse colors with text when active state */
  background-color: var(--message-color);
  fill: var(--message-background-color);
}
PK