Remove some unnecessary styling from inline code

Author: mrotteveel

src/docs/theme/jaybird-html/firebird.css

@@ -102,7 +102,7 @@ h1 strong,h2 strong,h3 strong,#toctitle strong,.sidebarblock>.content>.title str
 :not(pre).nobreak{word-wrap:normal}
 :not(pre).nowrap{white-space:nowrap}
 :not(pre).pre-wrap{white-space:pre-wrap}
-:not(pre,h1,h2,h3,#toctitle,h4,h5,h6,h7):not([class^=L])>code{font-size:.9375em;font-style:normal!important;letter-spacing:0;padding:.1em .5ex;word-spacing:-.15em;background:inherit;border-radius:4px;line-height:1.45;text-rendering:optimizeSpeed}
+:not(pre,h1,h2,h3,#toctitle,h4,h5,h6,h7):not([class^=L])>code{font-size:.9375em;font-style:normal!important;background:inherit;text-rendering:optimizeSpeed}
 pre{color:rgba(0,0,0,.9);font-family:"Droid Sans Mono","DejaVu Sans Mono",monospace;line-height:1.45;text-rendering:optimizeSpeed}
 pre code,pre pre{color:inherit;font-size:inherit;line-height:inherit}
 pre>code{display:block}