ui: redesign

resources/views/livewire/project/shared/environment-variable/all.blade.php

@@ -8,8 +8,7 @@
                     <x-slot:content>
                         <livewire:project.shared.environment-variable.add />
                     </x-slot:content>
-                    <button @click="slideOverOpen=true"
-                        class="font-normal text-white normal-case border-none rounded btn btn-primary btn-sm no-animation">+ Add</button>
+                    <button @click="slideOverOpen=true" class="button">+ Add</button>
                 </x-slide-over>
             @endif
             <x-forms.button