Add missing formatting to the text in hero widget (#8089)

app/javascript/styles/mastodon/widgets.scss

@@ -24,8 +24,46 @@
     background: $ui-base-color;
     padding: 20px;
     border-radius: 0 0 4px 4px;
-    font-size: 14px;
+    font-size: 15px;
     color: $darker-text-color;
+    line-height: 20px;
+    word-wrap: break-word;
+    font-weight: 400;
+
+    .emojione {
+      width: 20px;
+      height: 20px;
+      margin: -3px 0 0;
+    }
+
+    p {
+      margin-bottom: 20px;
+
+      &:last-child {
+        margin-bottom: 0;
+      }
+    }
+
+    em {
+      display: inline;
+      margin: 0;
+      padding: 0;
+      font-weight: 700;
+      background: transparent;
+      font-family: inherit;
+      font-size: inherit;
+      line-height: inherit;
+      color: lighten($darker-text-color, 10%);
+    }
+
+    a {
+      color: $secondary-text-color;
+      text-decoration: none;
+
+      &:hover {
+        text-decoration: underline;
+      }
+    }
   }
 
   @media screen and (max-width: $no-gap-breakpoint) {