diff --git a/public_html/css/style.css b/public_html/css/style.css
index 1d196c4..888b4c4 100644
--- a/public_html/css/style.css
+++ b/public_html/css/style.css
@@ -114,7 +114,7 @@ hr {
   text-align: center;
 }
 
-hr:after {
+hr::after {
   content: "---";
 }
 
@@ -172,14 +172,6 @@ article:focus {
   outline: none;
 }
 
-body>main>article#start>h1>a::before {
-  content: "> ";
-}
-
-body>main>article#start>h1>a:after {
-  content: " <";
-}
-
 /* toc */
 nav.toc {
   margin-block: var(--v-un);