Fix layout for iPhone 4

app/elements/buddy-finder/personal-avatar.html

@@ -47,9 +47,9 @@
             }
         }
         
-        @media all and (max-height: 370px) {
+        @media all and (max-height: 380px) {
             :host {
-                bottom: 8px;
+                bottom: 4px;
             }
             iron-icon {
                 width: 32px;

app/elements/donate-dialog/donate-dialog.html

@@ -39,7 +39,7 @@
         </style>
         <paper-dialog id="dialog" with-backdrop entry-animation="scale-up-animation" exit-animation="fade-out-animation" modal>
             <h2>Do you like Snapdrop?</h2>
-            <a href="https://www.paypal.com/cgi-bin/webscr?business=robin@capira.de&cmd=_xclick&currency_code=USD&item_name=Snapdrop&shipping=0" target="_blank" dialog-confirm>
+            <a href="https://www.paypal.com/cgi-bin/webscr?cmd=_donations&cmd=_donations&business=robin@capira.de&currency_code=USD&item_name=Snapdrop&shipping=0" target="_blank" dialog-confirm>
                 <p>
                     <iron-icon icon="chat:local-cafe"></iron-icon>
                     <span>Donate a cup of Coffee <br>to the Developers!</span>
@@ -47,7 +47,7 @@
             </a>
             <div class="buttons">
                 <paper-button dialog-dismiss>No, thanks.</paper-button>
-                <a href="https://www.paypal.com/cgi-bin/webscr?business=robin@capira.de&cmd=_xclick&currency_code=USD&item_name=Snapdrop&shipping=0" target="_blank">
+                <a href="https://www.paypal.com/cgi-bin/webscr?cmd=_donations&cmd=_donations&business=robin@capira.de&currency_code=USD&item_name=Snapdrop&shipping=0" target="_blank">
                     <paper-button dialog-confirm>Donate</paper-button>
                 </a>
             </div>

app/elements/x-cards/about-page.html

@@ -142,7 +142,7 @@
                             Like my Facebook Page!
                         </paper-tooltip>
                     </a>
-                    <a href="https://www.paypal.com/cgi-bin/webscr?business=robin@capira.de&cmd=_xclick&currency_code=USD&item_name=Snapdrop&shipping=0" target="_blank">
+                    <a href="https://www.paypal.com/cgi-bin/webscr?cmd=_donations&cmd=_donations&business=robin@capira.de&currency_code=USD&item_name=Snapdrop&shipping=0" target="_blank">
                         <iron-icon icon="chat:local-cafe"></iron-icon>
                         <paper-tooltip position="bottom" offset="14">
                             You like Snapdrop?

app/scripts/animated-bg.js

@@ -19,7 +19,7 @@
         h = window.innerHeight;
         c.width = w;
         c.height = h;
-        var offset = h > 370 ? 100 : 65;
+        var offset = h > 380 ? 100 : 65;
         x0 = w / 2;
         y0 = h - offset;
         dw = Math.max(w, h, 1000) / 13;