PNG 按钮样式调整

src/components/Qrcode.css

@@ -574,7 +574,7 @@ input[type="number"]{
     flex-wrap: wrap;
 }
 
-.div-btn > .dl-btn {
+.div-btn .dl-btn {
     margin: 0 0 10px!important;
 }
 
@@ -656,8 +656,8 @@ input[type="number"]{
 }
 
 @media (min-width: 666px) {
-    .div-btn {
-        max-width: 620px;
+    .img-dl-btn {
+        max-width: 620px!important;
     }
 }
 

src/components/app/PartDownload.js

@@ -42,7 +42,7 @@ const PartDownload = ({ value, downloadCount, onSvgDownload, onImgDownload }) =>
         </div>
         <div className="Qr-Centered">
             <div className="btn-row">
-                <div className="div-btn">
+                <div className="div-btn img-dl-btn">
                     <button className="dl-btn" onClick={() => {onImgDownload("jpg").then(res => setImgData(res));}}>JPG</button>
                     <button className="dl-btn" onClick={() => {onImgDownload("png").then(res => setImgData(res));}}>PNG</button>
                     <button className="dl-btn" onClick={onSvgDownload}>SVG</button>