docs: improve teleport example with transitions

docs/components/examples/teleport/style.css

@@ -45,8 +45,8 @@
 
 @media screen and (max-width: 639px) {
   .teleportflow aside .port {
-    display: flex;
-    flex-direction: row;
+    display: grid;
+    grid-template-columns: repeat(3, minmax(0, 1fr));
     gap: 5px;
   }
 }
@@ -58,3 +58,37 @@
   border-radius: 10px;
   color: black
 }
+
+.teleportable .buttons {
+  display: flex;
+  flex-direction: row;
+  justify-content: center;
+  align-items: center;
+  margin-top: 5px;
+  gap: 5px;
+}
+
+.teleportable .buttons .button {
+  cursor: pointer;
+  padding: 5px 10px;
+  border: 1px solid black;
+  border-radius: 10px;
+  color: black;
+  font-weight: 700;
+  box-shadow: 0 4px 6px -1px rgb(0 0 0 / 0.1), 0 2px 4px -2px rgb(0 0 0 / 0.1);
+}
+
+.teleportable .buttons .button:hover {
+  background: black;
+  color: white;
+}
+
+.fade-enter-active,
+.fade-leave-active {
+  transition: opacity 0.5s ease;
+}
+
+.fade-enter-from,
+.fade-leave-to {
+  opacity: 0;
+}