Some minor CSS fixes as discussed on Discord (#420)

* Minor CSS Changes

Minor CSS changes to the original. 

#1: Added button to show own bids. 
#2: Added padding to Search buttons and fields  
#3: Fixed search fields leaving the search box

* Minor CSS Changes to Search Fields

Search Fields have been changed from round to square for better look.

resources/views/layouts/default/flights/nav.blade.php

@@ -1,7 +1,27 @@
 <div class="card">
-    <div class="card-block" style="min-height: 0px">
-        <div class="form-group text-right">
+    <div class="card-block" style="min-height: 0px; display: flex; justify-content: center; align-items: center;">
+        <style>
+
+            .my-bids {
+                display: flex;
+                justify-content: center;
+                align-items: center;
+                width: 50%;
+                margin: 15px;
+                padding: 10px;
+                border-radius: .1875rem;
+                background-color: #fa7a50;
+            }
+
+            .my-bids a {
+                color: #fff;
+                text-decoration: none;
+                text-align: center;
+            }
+        </style>
+
+        <div class="form-group text-right btn-primary my-bids">
             <a href="{{ route('frontend.flights.bids') }}">{{ trans_choice('flights.mybid', 2) }}</a>
         </div>
     </div>
-</div>
+</div>