.p-grid primeng not working
// make sure PrimeNG and PrimeFlex are installed
npm install primeng --save
npm install primeflex --save
// add the css links to angular.json file
"./node_modules/primeng/resources/primeng.css",
"./node_modules/primeflex/primeflex.css"
// in your html file
<div class="p-grid">
<div class="p-col">1</div>
<div class="p-col">2</div>
<div class="p-col">3</div>
</div>