Ticket #54188: 54188.2.diff

src/wp-admin/css/themes.css

@@ -1850 +1850 @@
 
 .install-theme-info .theme-screenshot {
         margin: 15px 0;
-        width: 258px;
         border: 1px solid #c3c4c7;
+        position: relative;
+        overflow: hidden;
+}
+
+.install-theme-info .theme-screenshot > img {
+        width: 100%;
+        height: auto;
+        position: absolute;
+        left: 0;
+        top: 0;
+}
+
+.install-theme-info .theme-screenshot:after {
+        content: "";
+        display: block;
+        padding-top: 66.66666666%;
 }
 
 .install-theme-info .theme-details {

src/wp-admin/theme-install.php

@@ -456 +456 @@
                                                 ?>
                                         </span>
 
-                                        <img class="theme-screenshot" src="{{ data.screenshot_url }}?ver={{ data.version }}" alt="" />
+                                        <div class="theme-screenshot">
+                                                <img src="{{ data.screenshot_url }}" alt="" />
+                                        </div>
 
                                         <div class="theme-details">
                                                 <# if ( data.rating ) { #>