Adjust the font of code

Author: ngzhio

_includes/head.html

@@ -15,7 +15,7 @@
 {% endif %}
 
 <!-- Google Fonts -->
-<link rel="stylesheet" href="https://fonts.googleapis.com/css?family=Open%20Sans|Roboto|Roboto%20Slab|Roboto%20Mono|Dancing%20Script|Noto%20Sans%20SC|Noto%20Sans%20TC|Noto%20Serif%20SC|Noto%20Serif%20TC|Ma%20Shan%20Zheng">
+<link rel="stylesheet" href="https://fonts.googleapis.com/css?family=Open%20Sans|Roboto|Roboto%20Slab|Inconsolata|Dancing%20Script|Noto%20Sans%20SC|Noto%20Sans%20TC|Noto%20Serif%20SC|Noto%20Serif%20TC|Ma%20Shan%20Zheng">
 
 <link rel="stylesheet" href="{{ '/assets/css/main.css' | relative_url }}">
 <link rel="stylesheet" href="{{ '/assets/css/skin.css' | relative_url }}">

_sass/hamilton/base.scss

@@ -119,7 +119,6 @@ blockquote {
 pre,
 code {
   font-family: $code-font-family;
-  letter-spacing: -1px;
   border-radius: 0.3em;
 }
 
@@ -132,7 +131,6 @@ pre {
   overflow-x: auto;
 
   > code {
-    line-height: $base-line-height * $base-font-size * 0.7;
     border: 0;
     padding-right: 0;
     padding-left: 0;

_sass/hamilton/variables.scss

@@ -2,7 +2,7 @@
 $base-font-family: "Open Sans" !default;
 $reading-font-family: "Roboto Slab", "Noto Serif SC", "Noto Serif TC" !default;
 $headline-font-family: Roboto, "Noto Sans SC", "Noto Sans TC" !default;
-$code-font-family:  "Roboto Mono" !default;
+$code-font-family:  Inconsolata !default;
 $handwriting-font-family: "Dancing Script", "Ma Shan Zheng" !default;
 $base-font-size:    16px !default;
 $base-line-height:  1.5 !default;