JSFiddle - React, Tailwind, and code Playground

by Shanid

HTML

<div id="header">
    <div class="container">
        Header
    </div>
</div>

<div id="nav">
    <div class="container">
        Nav
    </div>
</div>

<div id="intro-pic">
    <div class="container">
        <div id="intro-box">
            sdfdsfds
        </div>
    </div>
</div>

CSS

html,body{
    padding: 0;
    margin:0;
}


.container{
    width: 960px;
    margin:0 auto;
    position: relative;
}

#header{
    width: 100%;
    height: 120px;
    border-bottom: 1px solid black;
}


#nav{
    height: 55px;
    border-bottom: 4px solid lightblue ;
}

#intro-pic{
    height: calc(100vh - 181px);
    width: 100%;
    background: url("img/introbg.jpg") center fixed;
}

#intro-box{
    height: 55vh;
    width: 800px;
    background: rgba(0,0,0,0.74);
    border-radius: 15px;
    position: absolute;
        top: 0px;
        bottom: 0px;
        left:50%;
    margin-left: -400px;
}