diff --git a/CONTRIBUTING.md b/CONTRIBUTING.md
index dd4ef1f5d6..b50843369e 100644
--- a/CONTRIBUTING.md
+++ b/CONTRIBUTING.md
@@ -1,8 +1,7 @@
 # Contributing to Boost
 
 This project adheres to the Contributor Covenant [code of conduct](./CODE_OF_CONDUCT.md).
-By participating, you are expected to uphold this code. Please report unacceptable
-behavior to rokt33r.choi@gmail.com.
+By participating, you are expected to uphold this code. Please report unacceptable behavior to rokt33r.choi@gmail.com.
 
 The following is a set of guidelines for contributing to Boost.
 These are just guidelines, not rules, use your best judgment and feel free to
diff --git a/src/lib/preview.ts b/src/lib/preview.ts
index 0f36b2001d..cc0e877137 100644
--- a/src/lib/preview.ts
+++ b/src/lib/preview.ts
@@ -6,12 +6,12 @@ import { createStoreContext } from './context'
 export const defaultPreviewStyle = `
 -ms-text-size-adjust: 100%;
 -webkit-text-size-adjust: 100%;
-line-height: 1.5;
+line-height: 1.6;
 color: #24292e;
 font-family: -apple-system, BlinkMacSystemFont, Segoe UI, Helvetica, Arial,
   sans-serif, Apple Color Emoji, Segoe UI Emoji, Segoe UI Symbol;
 font-size: 16px;
-line-height: 1.5;
+line-height: 1.6;
 word-wrap: break-word;
 
 .dark, .solarizedDark {
@@ -436,6 +436,15 @@ code {
   padding: 0.2em 0.4em;
 }
 
+p code,
+li code
+{
+  padding: 2px;
+  border-width: 1px;
+  border-style: solid;
+  border-radius: 5px;
+}
+
 pre {
   word-wrap: normal;
 }
@@ -518,6 +527,42 @@ kbd {
 hr {
   border-bottom-color: #eee;
 }
+
+.dark p code,
+.dark li code
+{
+  background-color: rgba(255,255,255,0.12);
+  border-color: rgba(255,255,255,0.3);
+  color: #03C588;
+}
+.auto p code,
+.auto li code
+{
+  background-color: #F9F9F9;
+  border-color: rgba(0,0,0,0.26);
+  color: #03C588;
+}
+.light p code,
+.light li code
+{
+  background-color: #F9F9F9;
+  border-color: rgba(0,0,0,0.26);
+  color: #03C588;
+}
+.sepia p code,
+.sepia li code
+{
+  background-color: #efe8d6;
+  border-color: rgba(0,0,0,0.26);
+  color: #F77942;
+}
+.solarizedDark p code,
+.solarizedDark li code
+{
+  background-color: rgba(255,255,255,0.12);
+  border-color: rgba(255,255,255,0.3);
+  color: #36abe3;
+}
 `
 
 function loadPreviewStyle() {