make a prototype title webpage

styles.css

@@ -0,0 +1,41 @@
+html, body {
+    height: 100%;
+    margin: 0;
+    display: flex;
+    justify-content: center;
+    align-items: center;
+    background: transparent;
+    overflow: hidden;
+}
+
+.container {
+    position: relative;
+    width: 100%;
+    height: 100%;
+    display: flex;
+    align-items: flex-end;
+    padding: 20px;
+    box-sizing: border-box;
+}
+
+.title {
+    background-color: rgba(0, 0, 0, 0.5);
+    color: white;
+    padding: 10px 20px;
+    border-radius: 5px;
+    font-size: 24px;
+}
+
+@media screen and (min-aspect-ratio: 16/9) {
+    .container {
+        width: 100%;
+        height: 56.25vw; /* 100 / 16 * 9 = 56.25 */
+    }
+}
+
+@media screen and (max-aspect-ratio: 16/9) {
+    .container {
+        width: 177.78vh; /* 100 / 9 * 16 = 177.78 */
+        height: 100%;
+    }
+}