Some characters break rendering about firenvim HOT 2 CLOSED

diff --git a/src/NeovimFrame.html b/src/NeovimFrame.html
index 996b9a7..3f85697 100644
--- a/src/NeovimFrame.html
+++ b/src/NeovimFrame.html
@@ -27,6 +27,7 @@
                 width: 1ch;
             }
         </style>
+        <style id="nvim_row_height"></style>
         <style id="nvim_highlight_style"></style>
         <style id="nvim_cursor_style"></style>
         <script type="application/javascript" src="nvimui.js"></script>
diff --git a/src/NeovimFrame.ts b/src/NeovimFrame.ts
index 1f471b3..a52780b 100644
--- a/src/NeovimFrame.ts
+++ b/src/NeovimFrame.ts
@@ -61,10 +61,16 @@ window.addEventListener("load", async () => {
         ext_linegrid: true,
         rgb: true,
     });
+
+    const styleHeight = document.getElementById("nvim_row_height");
     window.addEventListener("resize", _ => {
         keyHandler.style.left = `0px`;
         keyHandler.style.top = `0px`;
         const [nCols, nRows] = getGridSize(host);
+        styleHeight.innerText = `.nvim_cell, .nvim_row {
+            height: ${Math.floor(window.innerHeight / nRows)}px;
+            overflow: hidden;
+        }`;
         nvim.ui_try_resize(nCols, nRows);
     });