diff --git a/static/main.css b/static/main.css
index 453278b..7ec2516 100644
--- a/static/main.css
+++ b/static/main.css
@@ -60,6 +60,7 @@ table.striped tr:nth-child(even) {
 }
 
 .blob-contents {
+    background-color: rgba(0, 0, 0, 0.1);
     width: 100%;
     overflow-x: auto;
     font-family: var(--mono-font);
@@ -67,8 +68,27 @@ table.striped tr:nth-child(even) {
 }
 
 .blob-contents .left {
-    margin-right: 12px;
+    margin-right: 8px;
     text-align: right;
+    line-height: 20px;
+    background-color: rgba(0, 0, 0, 0.1);
+}
+
+.blob-contents .left ul {
+    display: block;
+    list-style-type: none;
+    margin-top: 0;
+    padding-left: 0;
+}
+
+.blob-contents .left ul .line {
+    padding: 0 4px;
+    display: block;
+}
+
+.blob-contents .right pre {
+    line-height: 20px;
+    margin-top: 0;
 }
 
 .readme {
diff --git a/templates/repo_blob.html b/templates/repo_blob.html
index 8c4e295..14a36c0 100644
--- a/templates/repo_blob.html
+++ b/templates/repo_blob.html
@@ -6,17 +6,18 @@
     {% if blob.lines %}
         <div class="blob-contents">
             <div class="left">
-                {% for _ in blob.lines %}
-                    <a name="L{{ loop.index }}" />
-                    <a href="#L{{ loop.index }}" title="permalink to line {{ loop.index }}">{{ loop.index }}</a>
-                    <br />
-                {% endfor %}
+                <ul>
+                    {% for _ in blob.lines %}
+                        <a name="L{{ loop.index }}" />
+                        <a href="#L{{ loop.index }}" title="permalink to line {{ loop.index }}">
+                            <li class="line">{{ loop.index }}</li>
+                        </a>
+                    {% endfor %}
+                </ul>
             </div>
             <div class="right">
-                {% for line in blob.lines %}
-                    <pre>{{ line }}</pre>
-                    <br />
-                {% endfor %}
+                <pre>{% for line in blob.lines %}{{ line }}
+{% endfor %}</pre>
             </div>
         </pre>
     {% else %}