center custom amount label

resources/less/metager/pages/donation.less

@@ -95,6 +95,7 @@
         flex-grow: 0;
         text-align: center;
         align-items: center;
+        line-height: 25px;
         margin-right: 4px;
         padding-right: 8px;
         padding-left: 4px;
@@ -115,6 +116,10 @@
     #amount-custom:checked + label + input{
         display: initial;
     }
+    #amount-custom:checked + label{
+        line-height: 21px;
+    }
+
     input[type=radio]:checked + label, .payment-label-selected {
         border: 4px solid #f47216;
     }