Improve navbar accesibility (#134)

Author: StanFromIreland

src/style.css

@@ -37,6 +37,11 @@ body {
   color: #0d0d0d;
 }
 
+.navbar-brand a {
+  text-decoration: none;
+  outline-offset: 8px;
+}
+
 .nav-link svg {
   vertical-align: middle;
   margin-top: -4.5px;

templates/base.html.jinja

@@ -17,7 +17,7 @@
     <nav class="navbar navbar-expand-md fixed-top">
 
       <div class="navbar-brand">
-        <a href="./" style="all: unset; cursor: pointer;">
+        <a href="./">
           <img src="logo.png" style="height: 2rem;" alt="Python logo">
           <span style="font-size: 1.25rem; font-weight: 700; color: #4a4a4a">Translation Dashboard</span>
         </a>