Update h4 styles

Author: davepagurek

styles/global.scss

@@ -114,6 +114,21 @@ h3 {
   }
 }
 
+.text-h4,
+h4 {
+  font-size: 1.25rem;
+  line-height: 1.167;
+  -webkit-text-stroke-width: 0.1px;
+  font-family: var(--font-sans);
+  margin-top: var(--spacing-md);
+
+  @media (min-width: $breakpoint-tablet) {
+    font-size: 1.5rem;
+    line-height: 1.1333;
+    -webkit-text-stroke-width: 0.15px;
+  } 
+}
+
 .text-body-large {
   font-size: 1.25rem;
   line-height: 1.2;