Centered the div and pretty language buttons

Signed-off-by: Tuan-Dat Tran <tuan-dat.tran@tudattr.dev>

src/languages/en-GB.json

@@ -8,14 +8,14 @@
       "consulting": "Consulting",
       "about": "About",
       "language_buttons": {
-        "english": "English",
-        "german": "German"
+        "english": "🇬🇧 English",
+        "german": "🇩🇪 German"
       }
     },
     "home": {
       "card": {
         "name": "Tuan-Dat Tran",
-        "gender": "He/Him",
+        "gender": "(He/Him)",
         "l1": "Hey there! 👋🏻👋🏼👋🏽👋🏾👋🏿",
         "l2": "Welcome to my little place on the internet.",
         "l3": "While you're here, why don't you check out my projects over on ",