When it comes to adding symbols/icons in html most of the developers (including me) relay on the FontAwesome as it is the well known and quite popular as it has abundance of icons to be selected for all kinds of usage. At times we might encounter a scenario where we need only one or two symbols/icons max. to be included in application in such cases it might be an overkill to use FontAwesome in my point of view. So in such cases we can quickly check the HTML inbuilt special symbols which might serve our purpose of symbol which we might be looking for. Some of the examples of symbols 4 Tear-drop asterisk

✢

Circled white star

✪

How to use in the project

<span>&hearts;</span>

you can also add class and style the symbols

<span class="heart-symbol">&hearts;</span>

Source / References:

1. w3schools.com/charsets/ref_utf_symbols.asp
2. sabinanore.com/design/html-special-symbols