Use default monospace font

abp/static/main.css

@@ -1,4 +1,4 @@
-html, body { margin: 0; padding: 0; overflow: hidden; font-size:  10pt; font-family:  "courier new"; }
+html, body { margin: 0; padding: 0; overflow: hidden; font-size:  10pt; font-family:  monospace; }
 #node_info { 
     background: rgba(0, 0, 0, .8); 
     color:white;
@@ -7,7 +7,7 @@ html, body { margin: 0; padding: 0; overflow: hidden; font-size:  10pt; font-fam
     position: absolute;
     top:5px;
     left:5px;
-    font-family:"courier new";
+    font-family:monospace;
     text-align: center;
     font-size:9pt;
     /*height:15px;*/
@@ -19,7 +19,7 @@ html, body { margin: 0; padding: 0; overflow: hidden; font-size:  10pt; font-fam
     background-color: black;
     color:white;
     padding: 10px;
-    font-family:"courier new";
+    font-family:monospace;
     position: absolute;
     top: 10px;
     right: 10px;
@@ -34,7 +34,7 @@ html, body { margin: 0; padding: 0; overflow: hidden; font-size:  10pt; font-fam
     background-color: black;
     color:white;
     padding: 10px;
-    font-family:"courier new";
+    font-family:monospace;
     position: absolute;
     top: 10px;
     left: 10px;
@@ -44,7 +44,7 @@ html, body { margin: 0; padding: 0; overflow: hidden; font-size:  10pt; font-fam
 #version {
     color:black;
     padding: 10px;
-    font-family:"courier new";
+    font-family:monospace;
     position: absolute;
     bottom: 10px;
     left: 10px;