sample codes
<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<meta http-equiv="X-UA-Compatible" content="IE=edge">
<meta name="viewport" content="width=device-width, initial-scale=1.0">
<title>Document</title>
<!-- CSS only -->
<link href="https://cdn.jsdelivr.net/npm/bootstrap@5.2.2/dist/css/bootstrap.min.css" rel="stylesheet"
integrity="sha384-Zenh87qX5JnK2Jl0vWa8Ck2rdkQ2Bzep5IDxbcnCeuOxjzrPF/et3URy9Bv1WTRi" crossorigin="anonymous">
<style>
.h-10{ height: 10rem;}
</style>
</head>
<div class="container">
<div class="row">
<div class="col">
<div class="bg-primary text-white p-3">
columns
</div>
</div>
<div class="col">
<div class="bg-primary text-white p-3">
columns
</div>
</div>
<div class="col">
<div class="bg-primary text-white p-3">
columns
</div>
</div>
</div>
</div>
<script src="https://cdn.jsdelivr.net/npm/bootstrap@5.2.2/dist/js/bootstrap.bundle.min.js"
integrity="sha384-OERcA2EqjJCMA+/3y+gxIOqMEjwtxJY7qPCqsdltbNJuaOe923+mo//f6V8Qbsw3"
crossorigin="anonymous"></script>
</body>
</html>
//=====================================================================================================
//column vertical alignment
<div class="container">
<div class="row h-10 bg-info mb-3">
<div class="col align-self-start">
<div class="bg-primary text-white p-3">
Column
</div>
</div>
<div class="col align-self-center">
<div class="bg-primary text-white p-3">
Column
</div>
</div>
<div class="col align-self-end">
<div class="bg-primary text-white p-3">
Column
</div>
</div>
</div>
<div class="row h-10 bg-info mb-3 align-items-center"> //start
<div class="col">
<div class="bg-primary text-white p-3">
Column
</div>
</div>
<div class="col">
<div class="bg-primary text-white p-3">
Column
</div>
</div>
<div class="col">
<div class="bg-primary text-white p-3">
Column
</div>
</div>
</div>
<div class="row h-10 bg-info mb-3 align-items-end">
<div class="col">
<div class="bg-primary text-white p-3">
Column
</div>
</div>
<div class="col">
<div class="bg-primary text-white p-3">
Column
</div>
</div>
<div class="col">
<div class="bg-primary text-white p-3">
Column
</div>
</div>
</div>
</div>
//====================================================================
//column horizontal alignment
<div class="container">
<div class="row h-10 bg-warning justify-content-start mb-3">
<div class="col-md-2">
<div class="bg-primary p-3 text-white mb-3">
Columns
</div>
</div>
<div class="col-md-2">
<div class="bg-primary p-3 text-white mb-3">
Columns
</div>
</div>
</div>
<div class="row h-10 bg-warning justify-content-center mb-3">
<div class="col-md-2">
<div class="bg-primary p-3 text-white mb-3">
Columns
</div>
</div>
<div class="col-md-2">
<div class="bg-primary p-3 text-white mb-3">
Columns
</div>
</div>
</div>
<div class="row h-10 bg-warning justify-content-end mb-3">
<div class="col-md-2">
<div class="bg-primary p-3 text-white mb-3">
Columns
</div>
</div>
<div class="col-md-2">
<div class="bg-primary p-3 text-white mb-3">
Columns
</div>
</div>
</div>
</div>