JSFiddle - React, Tailwind, and code Playground

HTML

<a href="#">Ссылка</a>
<p>Текст</p>
<p class="only-text"><span>Текст</span></p>

CSS

a{
    border-bottom: 1px dashed #333;
    text-decoration: none;
}

p{
    border-bottom: 1px dashed #333;
}

p.only-text{
    border-bottom: none;
}
p.only-text span{
    border-bottom: 1px dashed #333;
}