JSFiddle - React, Tailwind, and code Playground

by Cristofer Sousa

HTML

<header class="bg-intro">
<div class=" filter"></div>
  <video src="https://s3-us-west-2.amazonaws.com/coverr/mp4/Aloha-Mundo.mp4" autoplay loop></video>
<div class="center-content">
  <h1>Opensanca</h1>
  <h3>Welcome to Meetup</h3>
</div>

  
</header>

CSS

@import url(https://fonts.googleapis.com/css?family=Open+Sans);  
 
body {
  font-family:'Open Sans', sans-serif;
  margin: 0;
}

.filter {
    z-index: 100;
    position: absolute;
    background: rgba(0, 0, 0, 0.4);
        width: 100%;
    height: 100vh;
 }

.container {
  width: 90%;
  max-width: 800px;
  margin: 0 auto;
}

.bg-intro{
  width: 100vw;
  height: 100vh;
  overflow: hidden;
  }
  
  .bg-intro h1{
    font-size:6vw;
    color:#fff;
  }
  
  h3{
    color:#f1c40f;
    font-size:4vw;
  }

.center-content{
 position: absolute;
 z-index: 99999999;
 left: 50%;
 top: 50%;
 -moz-transform: translate(-50%, -50%);
 -webkit-transform: translate(-50%, -50%);
 -o-transform: translate(-50%, -50%);
 -ms-transform: translate(-50%, -50%);
 transform: translate(-50%, -50%); 
}

JavaScript

var hasMask = document.implementation.hasFeature("http://www.w3.org/TR/SVG11/feature#Mask", "1.0");