Set obligatory radio buttons as required (#226)

Author: Lexicoo123dd

staticfiles/style.css

@@ -386,7 +386,7 @@ table .radio {
     color: #278032;
 }
 input[type=radio] {
-    visibility: hidden;
+    opacity: 0;
 }
 input[type="text"], textarea, input[type="number"], input[type="datetime-local"], input[type="date"] {
     width: 300px;

templates/invoices/new.html

@@ -81,7 +81,7 @@
                             <label for="no">Nej</label>
                         </div>
                         <div class="radio">
-                            <input type="radio" name="invoice-original" value="yes" id="yes" />
+                            <input type="radio" name="invoice-original" value="yes" id="yes" required />
                             <label for="yes">Ja</label>
                         </div>
                     </div>
@@ -98,7 +98,7 @@
                             <label for="accounted-no">Nej</label>
                         </div>
                         <div class="radio">
-                            <input type="radio" name="accounted" value="accounted-yes" id="accounted-yes" v-model="accounted" />
+                            <input type="radio" name="accounted" value="accounted-yes" id="accounted-yes" v-model="accounted" required/>
                             <label for="accounted-yes">Ja</label>
                         </div>
                     </div>