Don't invoke transition at page load (mobile)

Author: philwareham

src/assets/sass/modules/_layout.scss

@@ -177,12 +177,12 @@ noscript {
         width: 34px;
         height: 34px;
         padding-left: 32px;
-        transition: width 0.2s ease-in-out;
         border-color: var(--clr-bkgd);
         background: var(--clr-bkgd-form) url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 32 32'%3E%3Cg fill='%23333'%3E%3Cpath d='M4,13c0-5,4-9,9-9s9,4,9,9s-4,9-9,9S4,18,4,13z M13,19c3.3,0,6-2.7,6-6s-2.7-6-6-6s-6,2.7-6,6S9.7,19,13,19z'/%3E%3Cpath d='M17.5,19l1.5-1.5l4.5,3L28,25c0,0,0,1.5-0.8,2.2S25,28,25,28l-4.5-4.5L17.5,19z'/%3E%3C/g%3E%3C/svg%3E") no-repeat left center;
         background-size: 32px 32px;
 
         &:focus {
+            transition: width 0.2s ease-in-out;
             border-color: var(--clr-focus);
         }
     }