diff --git a/app/javascript/styles/application.scss b/app/javascript/styles/application.scss
index 8ebc45b62..cf32a70b0 100644
--- a/app/javascript/styles/application.scss
+++ b/app/javascript/styles/application.scss
@@ -26,3 +26,5 @@
 @import 'mastodon/dashboard';
 @import 'mastodon/rtl';
 @import 'mastodon/accessibility';
+
+@import 'markdown';
diff --git a/app/javascript/styles/contrast.scss b/app/javascript/styles/contrast.scss
index 5b43aecbe..31805363c 100644
--- a/app/javascript/styles/contrast.scss
+++ b/app/javascript/styles/contrast.scss
@@ -1,3 +1,5 @@
 @import 'contrast/variables';
 @import 'application';
 @import 'contrast/diff';
+
+@import 'markdown';
diff --git a/app/javascript/styles/markdown.scss b/app/javascript/styles/markdown.scss
new file mode 100644
index 000000000..d1c1adb9c
--- /dev/null
+++ b/app/javascript/styles/markdown.scss
@@ -0,0 +1,196 @@
+.status__content { 
+ 
+    font-family: inherit; 
+    max-height: 210px; 
+    overflow-x: hidden; 
+    overflow-y: auto; 
+   
+    h1{ 
+      font-size: 195%; 
+      border-bottom: 2px solid #ff3333; 
+    } 
+   
+    h2{ 
+      font-size: 180%; 
+      border-bottom: 2px solid #ff3333; 
+    } 
+   
+    h3{ 
+      font-size: 165%; 
+      border-bottom: 2px solid #ff3333; 
+    } 
+   
+    h4{ 
+      font-size: 150%; 
+      border-bottom: 2px solid #ff3333; 
+    } 
+   
+    h5{ 
+      font-size: 135%; 
+      border-bottom: 2px solid #ff3333; 
+    } 
+   
+    h6{ 
+      font-size: 120%; 
+      border-bottom: 2px solid #ff3333; 
+    } 
+   
+    em{ 
+      font-style: italic; 
+    } 
+   
+    strong{ 
+      font-weight: bold; 
+    } 
+   
+    code{ 
+      display: block; 
+      border-left: 2px solid; 
+      border-color: #079903; 
+      color: $white; 
+      padding-left: 10px; 
+      margin-top: 5px; 
+      margin-bottom: 5px; 
+      margin-left: 5px; 
+      background-color: #000000; 
+    } 
+   
+    pre{ 
+      display: inline-block; 
+      font-family: 'Noto Sans Japanese', sans-serif; 
+      font-weight: 400; 
+    } 
+   
+    p ~ blockquote { 
+      margin-top: -8px; 
+    } 
+   
+    blockquote{ 
+        padding-left: 8px; 
+        margin-top: 0.5em; 
+        margin-bottom: 0.5em; 
+        color: $white; 
+        background-color: $ui-base-color; 
+        display: block; 
+        border-left: 4px solid $classic-highlight-color; 
+    } 
+   
+    ul{ 
+      list-style: inside; 
+      br{ 
+        display: none; 
+      } 
+    } 
+   
+    ul>ul{ 
+      br{ 
+        display: none; 
+      } 
+    } 
+   
+    ul>li>ul{ 
+      padding-left: 1em; 
+      list-style: inside circle; 
+    } 
+   
+    ul>li{ 
+      padding-left: 1em; 
+      list-style: inside circle; 
+    } 
+   
+    ul>br>li{ 
+      padding-left: 1em; 
+      list-style: inside circle; 
+    } 
+   
+    ul>ul>li{ 
+      padding-left: 2em; 
+      list-style: inside circle; 
+    } 
+   
+    ul>br>ul>br>li{ 
+      padding-left: 2em; 
+      list-style: inside circle; 
+    } 
+   
+    ol{ 
+      list-style: inside decimal; 
+    } 
+   
+    ol>li>ol{ 
+      padding-left: 1em; 
+    } 
+   
+    p>a>img{ 
+      width: 100%; 
+      height: 100%; 
+      object-fit: contain; 
+    } 
+   
+    a>img{ 
+      width: 100%; 
+      height: 100%; 
+      object-fit: contain; 
+    } 
+   
+    p>a{ 
+      color: #1FBFF9; 
+    } 
+   
+    a{ 
+      color: #1FBFF9; 
+    } 
+   
+    sup{ 
+      font-size: 75.5%; 
+      vertical-align: top; 
+      position: relative; 
+      top: -0.5em; 
+    } 
+   
+    sub{ 
+      font-size: 75.5%; 
+      vertical-align: bottom; 
+      position: relative; 
+      top: 0.5em; 
+    } 
+   
+    small{ 
+      font-size: 50.0%; 
+      vertical-align: bottom; 
+      position: relative; 
+    } 
+   
+    table { 
+      margin-top: 0.5em; 
+      margin-bottom: 0.5em; 
+      color: $classic-highlight-color; 
+      display: block; 
+      width: 100%; 
+      overflow: auto; 
+      border-spacing: 0; 
+      border-collapse: collapse; 
+    } 
+   
+    table tr{ 
+      background-color: #000000; 
+    } 
+   
+    table th, table td{ 
+      padding: 6px 13px; 
+      border: 1px solid $classic-highlight-color; 
+    } 
+   
+    table th{ 
+      font-weight: 600; 
+    } 
+   
+    table thead tr{ 
+      background-color: $black; 
+    } 
+   
+    td, th{ 
+      padding: 0; 
+    } 
+   
+  } 
\ No newline at end of file
diff --git a/app/javascript/styles/mastodon-light.scss b/app/javascript/styles/mastodon-light.scss
index 756a12d86..c99938bfa 100644
--- a/app/javascript/styles/mastodon-light.scss
+++ b/app/javascript/styles/mastodon-light.scss
@@ -1,3 +1,5 @@
 @import 'mastodon-light/variables';
 @import 'application';
 @import 'mastodon-light/diff';
+
+@import 'markdown';