@@ -0,0 +1,71 @@
+.calendar-grid {
+  display: grid;
+  grid-template-columns: repeat(7, 1fr);
+  grid-template-rows: repeat(2, 1fr);
+  gap: 0.5ch;
+}
+
+.day {
+  min-height: 6rem;
+}
+
+.past {
+  opacity: 0.5;
+}
+
+.day h3 {
+  margin-block: 0 0.5ch;
+  font-size: 1.1rem;
+  font-weight: normal;
+}
+
+.day.today h3 {
+  font-weight: bold;
+}
+
+.event {
+  font-size: 0.9rem;
+}
+
+.tentative {
+  opacity: 0.75;
+}
+
+.today {
+  background-color: var(--today-background-color);
+}
+
+.calendar footer {
+  font-size: small;
+  color: var(--muted-color);
+  padding: 1ch 0;
+}
+
+.calendar footer p {
+  margin: 0;
+}
+
+.only-small-portrait {
+  display: none;
+}
+
+@media only screen and (max-width: 768px) {
+  .calendar-grid {
+    display: flex;
+    flex-direction: column;
+  }
+
+  .past {
+    display: none;
+  }
+
+  .day {
+    min-height: revert;
+  }
+}
+
+@media only screen and (max-width: 768px) and (orientation: portrait) and (min-height: 768px) {
+  .only-small-portrait {
+    display: revert;
+  }
+}