refactored css, including some markup changes

app/templates/fxPromo/index.js

@@ -0,0 +1,33 @@
+const html = require('choo/html');
+const assets = require('../../../common/assets');
+
+module.exports = function(state, emit) {
+  function clicked() {
+    emit('experiment', { cd3: 'promo' });
+  }
+  let classes = 'fxPromo';
+  switch (state.promo) {
+    case 'blue':
+      classes = 'fxPromo fxPromo--blue';
+      break;
+    case 'pink':
+      classes = 'fxPromo fxPromo--pink';
+      break;
+  }
+
+  return html`
+    <div class="${classes}">
+      <div>
+        <img
+        src="${assets.get('firefox_logo-only.svg')}"
+        class="fxPromo__logo"
+        alt="Firefox"/>
+        <span>Send is brought to you by the all-new Firefox.
+        <a
+          class="link"
+          href="https://www.mozilla.org/firefox/new/?utm_campaign=send-acquisition&utm_medium=referral&utm_source=send.firefox.com"
+          onclick=${clicked}
+          >Download Firefox now ≫</a></span>
+      </div>
+    </div>`;
+};