diff --git a/doc/images/ACRNlogo80w.png b/doc/images/ACRNlogo80w.png
new file mode 100644
index 000000000..6376a74b5
Binary files /dev/null and b/doc/images/ACRNlogo80w.png differ
diff --git a/doc/index.rst b/doc/index.rst
index 13cec60ec..3c92a1a8e 100644
--- a/doc/index.rst
+++ b/doc/index.rst
@@ -17,7 +17,7 @@ through an open source platform.
    <ul class="grid">
        <li class="grid-item">
            <a href="learn.html">
-               <img alt="" src="_static/images/ACRNlogo.png"/>
+               <img alt="" src="_static/images/ACRNlogo80w.png"/>
                <h2>Learn about<br/>ACRN</h2>
            </a>
            <p>Overview, architecture,
diff --git a/doc/static/acrn-custom.css b/doc/static/acrn-custom.css
index 539e838c0..23b63fd9a 100644
--- a/doc/static/acrn-custom.css
+++ b/doc/static/acrn-custom.css
@@ -232,8 +232,8 @@ kbd
 }
 
 .grid-item img {
-    max-width: 50%;
-    max-height: 50%;
+    /* max-width: 50%;
+    max-height: 50%; */
     margin-bottom: 0.7rem;
 }
 
diff --git a/doc/static/images/ACRNlogo80w.png b/doc/static/images/ACRNlogo80w.png
new file mode 100644
index 000000000..6376a74b5
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