Restore default padding to new donation button

Author: samglover

src/css/custom.css

@@ -123,7 +123,6 @@ button[class*="toggleButton"] {
   border-radius: 9999px;
   margin-right: calc(.25 * var(--ifm-navbar-item-padding-horizontal));
   margin-left: calc(.25 * var(--ifm-navbar-item-padding-horizontal));
-  padding: 0.375rem 0.75rem;
 
   &:hover {
     background-color: var(--suffolk-dark-gold);