How to Make Video Background With HTML and CSS

Hi Everyone

NOW I will represent how to make Video Background

Code HTML

<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <meta name="viewport" content="width=device-width, 
    initial-scale=1.0">
    <meta http-equiv="X-UA-Compatible" content="ie=edge">
    <link rel="stylesheet" href="style.css">
    <title>Document</title>
</head>
<body>
    <header class="v-header container">
        <div class="fullscreen-video-wrap">
            <video src="https://production.cdmycdn.com/assets/
            marketing-pages/intensives/bws/coding-scenes-
            9a2031e8142b40bdb5d936d5eef33dfa.mp4"
                autoplay="" loop="">
            </video>
        </div>
        <div class="header-overlay"></div>
        <div class="header-content text-md-center">
            <h1>Welcome Everyone</h1>
            <p>Lorem ipsum dolor sit amet, consectetur
                adipisicing elit. Laborum tempora voluptas 
                amet nisi itaque quibusdam.
            </p>
            <a href="#" class="btn">Read More</a>
        </div>
    </header>
    
    <section class="section section-a">
        <div class="container">
            <h2>Section A</h2>
            <p>Lorem ipsum dolor, sit amet consectetur 
                adipisicing elit. Unde, impedit amet 
                minima iste autem cumque et maiores
                blanditiis doloribus aut dolorum 
                quaerat non est voluptatum, tempore 
                ut dolorem voluptas quod quae accusantium,
                ex inventore ducimus. Beatae mollitia 
                exercitationem, quam similique, consectetur 
                ratione reprehenderit delectus
                neque eligendi facere soluta dolor ducimus!
            </p>
        </div>
    </section>
    
    <section class="section section-b">
        <div class="container">
            <h2>Section B</h2>
            <p>Lorem ipsum dolor, sit amet consectetur 
                adipisicing elit. Unde, impedit amet 
                minima iste autem cumque et maiores
                blanditiis doloribus aut dolorum 
                quaerat non est voluptatum, tempore 
                ut dolorem voluptas quod quae accusantium,
                ex inventore ducimus. Beatae mollitia 
                exercitationem, quam similique, consectetur 
                ratione reprehenderit delectus
                neque eligendi facere soluta dolor ducimus!
            </p>
        </div>
    </section>
    
</body>
</html>

Code CSS

*{
  box-sizing: border-box;
}

body{
  margin:0;
  font-family: Arial, Helvetica, sans-serif;
  font-size:1rem;
  font-weight:normal;
  line-height:1.5;
  color:#333;
  overflow-x:hidden;
}

.v-header{
  height:100vh;
  display:flex;
  align-items:center;
  color:#fff;
}

.container{
  max-width:960px;
  padding-left:1rem;
  padding-right:1rem;
  margin:auto;
  text-align:center;
}

.fullscreen-video-wrap{
  position:absolute;
  top:0;
  left:0;
  width:100%;
  height:100vh;
  overflow:hidden;
}

.fullscreen-video-wrap video{
  min-height:100%;
  min-width:100%;
}

.header-overlay{
  height:100vh;
  position: absolute;
  top:0;
  left:0;
  width:100vw;
  z-index:1;
  background:#225470;
  opacity:0.75;
}

.header-content{
  z-index:2;
}

.header-content h1{
  font-size:50px;
  margin-bottom:0;
}

.header-content p{
  font-size:1.5rem;
  display:block;
  padding-bottom:2rem;
}

.btn{
  background: #34b3a0;
  color:#fff;
  font-size:1.2rem;
  padding: 1rem 2rem;
  text-decoration: none;
  border-radius: 10px;
}

.btn:hover{
    background: #fff;
    color: #34b3a0;
}

.section{
  padding:20px 0;
}

.section-b{
  background:#333;
  color:#fff;
}

@media(max-width:960px){
  .container{
    padding-right:3rem;
    padding-left:3rem;
  }
}