Underline blog post title

Is there a way to underline my blog post titles? Ideally I would like a similar length to the underline beneath “about me”, and the categories etc.

Hi @alpacamybackpack,

I hope you are well today and thank you for your question.

You can try achieving this by adding the following CSS code in the Custom CSS option of your theme on the below path.

Admin Area -> Appearance -> Customize -> Activello Options -> Other -> Custom CSS

body.archive h1.entry-title,
body.blog h1.entry-title{
  position: relative;
  padding: 0 0 8px 0;

body.archive h1.entry-title:after,
body.blog h1.entry-title:after{
    content: "";
    position: absolute;
    bottom: 0;
    left: 50%;
    height: 2px;
    width: 40px;
    margin-left: -20px;
    background: #a161bf;

Best Regards,