haciendo css manual

resources/views/login.blade.php

@@ -1,18 +1,22 @@
 @extends('base')
 
 @section('content')
-    <form method="POST" action="{{ route('login') }}">
+    <form method="post" action="{{ route('login') }}" class="pure-form pure-form-aligned">
         @csrf
-        <div>
-            <label for="email" >e-mail</label>
-            <input class="form-input" id="email" type="email" name="email" value="{{ old('email') }}" required autocomplete="email" autofocus>
-        </div>
+        <fieldset>
+            <div class="pure-control-group">
+                <label for="email" >e-mail</label>
+                <input id="email" type="email" name="email" value="{{ old('email') }}" placeholder="e-mail" required autocomplete="email" autofocus>
+            </div>
 
-        <div>
-            <label for="password" >pass</label>
-            <input class="form-input" id="password" type="password" name="password" required autocomplete="current-password">
-        </div>
+            <div class="pure-control-group">
+                <label for="password" >pass</label>
+                <input id="password" type="password" name="password" placeholder="pass" required autocomplete="current-password">
+            </div>
 
-        <input class="form-submit" type="submit" value="login"/>
+            <div class="pure-controls">
+                <button type="submit" class="pure-button button-black-white">login</button>
+            </div>
+        </fieldset>
     </form>
 @endsection