diff --git a/src/components/QrRendererBase.js b/src/components/QrRendererBase.js
index c9ad681..c43d9da 100644
--- a/src/components/QrRendererBase.js
+++ b/src/components/QrRendererBase.js
@@ -18,7 +18,7 @@ function listPoint(props) {
         for (let col = 0; col < nCount; col++) {
             if (qrcode.isDark(row, col)) {
                 if (type == 0)
-                    pointList.push(<rect width={size} height={size} key={id++} fill="black" x={row} y={col}/>)
+                    pointList.push(<rect width={size} height={size} key={id++} fill="black" x={row + (1 - size)/2} y={col + (1 - size)/2}/>)
                 else if (type == 1)
                     pointList.push(<circle r={size / 2} key={id++} fill="black" cx={row + 0.5} cy={col + 0.5}/>)
             }
diff --git a/src/components/Qrcode.css b/src/components/Qrcode.css
index effba86..677b3ce 100644
--- a/src/components/Qrcode.css
+++ b/src/components/Qrcode.css
@@ -8,10 +8,6 @@
 .Qr-titled-nobg {
     padding-top: calc((10px + 2vmin) * 2);
     padding-bottom: calc((10px + 2vmin) * 2);
-    -webkit-transition-timing-function: ease-in-out;
-    transition-timing-function: ease-in-out;
-    -webkit-transition-duration: 0.2s; /* Safari */
-    transition-duration: 0.2s;
 }
 
 .Qr-title {