fix: update code font (#4)

src/components/misc/Markdown.astro

@@ -38,9 +38,10 @@ const className = Astro.props.class;
     /*&:after*/
     /*  background: var(--link-active)*/
     code
-      font-family: monospace
+      font-family: ui-monospace,SFMono-Regular,Menlo,Monaco,Consolas,Liberation Mono,Courier New,monospace
       background: var(--inline-code-bg)
       color: var(--inline-code-color)
+      font-size: 0.875rem
       padding: 2px 4px
       border-radius: 4px
       overflow: hidden