diff --git a/css/basic.less b/css/basic.less
index 2ec41ea..c90b24a 100755
--- a/css/basic.less
+++ b/css/basic.less
@@ -10,7 +10,7 @@
 
 @font-face {
     font-family: "Perfect DOS VGA 437 Win";
-    src: url("../fonts/Perfect%20DOS%20VGA%20437%20Win.ttf") format("truetype");
+    src: url("./fonts/perfectdos.ttf") format("truetype");
     font-weight: normal;
     font-style: normal;
     font-display: swap;
@@ -28,8 +28,7 @@ body {
     padding: 0;
 }
 body {
-    font: normal 87.5%/1.4 "Perfect DOS VGA 437 Win", monospace;
-    /* default font size: 100% => 16px; 93.75% => 15px; 87.5% => 14px; 81.25% => 13px; 75% => 12px */
+    font: normal 100%/1 "Perfect DOS VGA 437 Win", monospace;
     -webkit-text-size-adjust: 100%;
 }
 
diff --git a/fonts/Perfect DOS VGA 437 Win.ttf b/fonts/perfectdos.ttf
similarity index 100%
rename from fonts/Perfect DOS VGA 437 Win.ttf
rename to fonts/perfectdos.ttf