diff --git a/src/lib/components/Markdown.css b/src/lib/components/Markdown.css
index 4a5b2b4..c33e27c 100644
--- a/src/lib/components/Markdown.css
+++ b/src/lib/components/Markdown.css
@@ -40,13 +40,13 @@
     }
 
     & a[target="_blank"]:after {
-        content: '■';
-        font-size: 1em;
-        line-height: 1em;
-        width: 1em;
-        height: 1em;
+        content: '';
         display: inline-block;
-        mask-image: url('data:image/svg+xml;utf-8,<svg viewBox="0 -960 960 960" xmlns="http://www.w3.org/2000/svg"><path d="m293.3-240q-22 0-37.67-15.67-15.67-15.67-15.67-37.67v-373.3q0-22 15.67-37.67 15.67-15.67 37.67-15.67h186.7v53.33h-186.7v373.3h373.3v-186.7h53.33v186.7q0 22-15.67 37.67-15.67 15.67-37.67 15.67zm125.3-141.3-37.33-37.33 248-248h-96v-53.33h186.7v186.7h-53.33v-96z"/></svg>');
+        width: .5em;
+        height: .5em;
+        margin-left: 2px;
+        background-color: currentColor;
+        mask-image: url('data:image/svg+xml;utf-8,<svg viewBox="0 0 480 480" xmlns="http://www.w3.org/2000/svg"><path d="m52 480q-22 0-37-15t-15-37v-376q0-22 15-37t37-15h188v53h-187v374h374v-187h53v187q0 22-15 37t-37 15zm126-142l-37-37l248-248h-96v-53h187v187h-53v-96z"/></svg>');
         vertical-align: super;
     }