Add some hover on links

src/style/_base.scss

@@ -171,7 +171,7 @@ button {
         text-decoration: none;
 
         &:hover {
-            text-decoration: underline;
+            color: $color-secondary;
         }
     }
 

src/style/molecules/_footer.scss

@@ -59,13 +59,21 @@
                 }
             }
         }
+
         a {
-            text-decoration: none;
+            position: relative;
             color: #fff;
+            text-decoration: none;
+            transition: color 85ms $ease-inout;
 
             img {
                 margin-right: 16px;
             }
+
+            // Hover
+            &:hover {
+                color: $color-secondary;
+            }
         }
 
         // Instagram
@@ -93,11 +101,18 @@
             img {
                 display: inline-block;
                 margin: 8px 0 0 12px;
+                transition: transform 400ms $ease-quart;
+                will-change: transform;
 
                 @include breakpoint (sm) {
                     margin-left: 16px;
                 }
             }
+
+            // Hover
+            a:hover img {
+                transform: scale(1.025);
+            }
         }
     }
 }