fix: better navbar responsible

Author: ErwanDecoster

src/components/ModeToggle.tsx

@@ -7,7 +7,7 @@ export function ModeToggle() {
   const { theme, setTheme } = useTheme();
 
   return (
-    <div className="rounded-full border p-1">
+    <div className="flex rounded-full border p-1">
       <Button
         variant={'link'}
         size={'none'}

src/components/navbar/NavBar.tsx

@@ -21,7 +21,7 @@ export function Navbar() {
     <nav className="flex items-center justify-between py-6">
       <ChainLink to="/" className="-m-2 flex items-center gap-2 p-2 font-mono">
         <img src={iExecLogo} width="25" height="25" alt="iExec logo" />
-        <span className="hidden sm:block">iExec Explorer</span>
+        <span className="hidden lg:block">iExec Explorer</span>
       </ChainLink>
       <div className="mr-8 flex items-center gap-4 md:mr-0">
         {isConnected && (