diff --git a/assets/css/archive.css b/assets/css/archive.css
index b8e5a4bd..4470a430 100644
--- a/assets/css/archive.css
+++ b/assets/css/archive.css
@@ -3,9 +3,6 @@
 .archive {
     width: 100%;
     text-align: left;
-    margin: 0 auto;
-    margin-top: 14px;
-    margin-bottom: 14px;
     font-size: 16px;
 }
 
diff --git a/assets/css/footer.css b/assets/css/footer.css
index e258999e..bf7eeeee 100644
--- a/assets/css/footer.css
+++ b/assets/css/footer.css
@@ -2,8 +2,7 @@
 -------------------------------------------------- */
 .footer {
     max-width: calc(var(--main-width) + var(--gap) * 2);
-    margin-left: auto;
-    margin-right: auto;
+    margin: auto;
     padding: calc((var(--footer-height) - (var(--gap)) - 10px)/ 2) var(--gap);
     color: var(--secondary);
     font-size: 12px;
diff --git a/assets/css/header.css b/assets/css/header.css
index 1c759f09..0263bd3e 100644
--- a/assets/css/header.css
+++ b/assets/css/header.css
@@ -16,8 +16,7 @@
 
 .logo,
 .menu {
-    margin-left: var(--gap);
-    margin-right: var(--gap);
+    margin: auto var(--gap);
 }
 
 .logo a {
diff --git a/assets/css/main.css b/assets/css/main.css
index 219d52dc..64bf5629 100644
--- a/assets/css/main.css
+++ b/assets/css/main.css
@@ -4,8 +4,7 @@
     position: relative;
     min-height: calc(100vh - var(--header-height) - var(--footer-height));
     max-width: calc(var(--main-width) + var(--gap) * 2);
-    margin-left: auto;
-    margin-right: auto;
+    margin: auto;
     padding: var(--gap);
 }
 
diff --git a/assets/css/post-entry.css b/assets/css/post-entry.css
index 2416ef7a..55e5ba40 100644
--- a/assets/css/post-entry.css
+++ b/assets/css/post-entry.css
@@ -6,8 +6,7 @@
     flex-direction: column;
     justify-content: center;
     min-height: 320px;
-    margin-bottom: calc( var(--gap) * 2);
-    margin-top: var(--gap);
+    margin: var(--gap) 0 calc(var(--gap) * 2) 0;
 }
 
 @media screen and (max-width: 600px) {
@@ -28,8 +27,7 @@
 }
 
 .first-entry .entry-content {
-    margin-top: 14px;
-    margin-bottom: 14px;
+    margin: 14px 0;
     font-size: 16px;
     -webkit-line-clamp: 3;
 }
@@ -61,8 +59,7 @@
 }
 
 .entry-content {
-    margin-top: 8px;
-    margin-bottom: 8px;
+    margin: 8px 0;
     color: var(--secondary);
     font-size: 14px;
     line-height: 1.6;
diff --git a/assets/css/post-single.css b/assets/css/post-single.css
index 5fb9af07..b73b2640 100644
--- a/assets/css/post-single.css
+++ b/assets/css/post-single.css
@@ -1,8 +1,7 @@
 /* Post single
 -------------------------------------------------- */
 .post-header {
-    margin-top: 24px;
-    margin-bottom: var(--content-gap);
+    margin: 24px auto var(--content-gap) auto
 }
 
 .post-title {
@@ -21,13 +20,11 @@
 }
 
 .post-content h1 {
-    margin-top: 40px;
-    margin-bottom: 32px;
+    margin: 40px auto 32px auto
 }
 
 .post-content h2 {
-    margin-top: 32px;
-    margin-bottom: 24px;
+    margin: 32px auto 24px auto;
 }
 
 .post-content h3,
@@ -36,6 +33,7 @@
 .post-content h6 {
     margin-top: 24px;
     margin-bottom: 16px;
+    margin: 24px auto 16px auto;
 }
 
 .post-content h1 {
@@ -67,8 +65,7 @@
 }
 
 .post-content a code {
-    margin-left: 0;
-    margin-right: 0;
+    margin: auto 0;
     border-radius: 0;
     box-shadow: 0 -1px 0 var(--primary) inset;
 }
@@ -138,15 +135,12 @@
 }
 
 .post-content table:not(.highlighttable) td code:only-child {
-    margin-left: 0;
-    margin-right: 0;
+    margin: auto 0;
 }
 
 .post-content .highlight,
 .post-content pre {
-    margin-left: calc(var(--gap) * -1);
-    margin-right: calc(var(--gap) * -1);
-    margin-bottom: 32px;
+    margin: auto calc(var(--gap) * -1) 32px calc(var(--gap) * -1);
     background: var(--hljs-bg) !important;
     border-radius: var(--radius);
 }
@@ -160,9 +154,7 @@
 }
 
 .post-content .highlight pre {
-    margin-left: 0;
-    margin-right: 0;
-    margin-bottom: 0;
+    margin: 0;
 }
 
 /* table */
@@ -193,8 +185,7 @@
 }
 
 .post-content code {
-    margin-left: 4px;
-    margin-right: 4px;
+    margin: auto 4px;
     padding: 4px 6px;
     font-family: Menlo, Monaco, 'Courier New', Courier, monospace;
     font-size: 0.78em;
@@ -205,8 +196,7 @@
 
 .post-content pre code {
     display: block;
-    margin-left: 0;
-    margin-right: 0;
+    margin: auto 0;
     padding: 10px;
     color: rgba(255, 255, 255, 0.8);
     background: transparent;