JSFiddle - React, Tailwind, and code Playground

HTML

<nav class="navigation">
            <ul>
            <li> <a href="http://www.geonet.org.nz/quakes/felt"> Current Earthquakes </a> </li>
            <li> <a href="http://www.dropcoverholdon.org/"> Drop! Cover! Hold On! </a> </li>
            <li> <a href="https://www.google.com.au/maps/place/Blenheim,+New+Zealand/@-41.5290857,173.932808,13z/data=!3m1!4b1!4m2!3m1!1s0x6d390e0080e269bd:0x0a00ef88e796a530"> Location of Blenheim </a> </li>
            <li> <a href="#"> About Us </a> </li>
            <li> <a href="bibliography.html"> Bibliography </a> </li>
            </ul>
        </nav>

<img src="img1.png" width="100%">

<p><center>
    paragraph
</center></p>

<img src="img2.png" width="100%">

<p><center>
paragraph 2
</center></p>

<img src="img3.png" width="100%">

</center></p>

CSS

h1 {
    font-family: Arial;
    font-size: 50px;
    font-weight: bold;
color: black;
text-align: ;
width: 100%;
float: center;
margin: 0 0 0 0;
padding: 0;
list-style: none;
}

body {
    color: white;
    font-family: Arial;
    font-size: 20px;
    margin: 0 0 0 0;
    max-width: 100%;
    }

/* Navigation Bar Styling */

nav {
    margin: 0 0 0 0;
    font-family: Arial;
    font-size: 100%;
    width:100%;
    position:fixed;
    display:block;
    }
nav ul{padding:0px;margin:0px;background:#000;overflow:auto;}
nav li {
     float: left;
    list-style:none;
    }

nav li a {
    background-color: black;
    display: block;
    padding: 0 0;
    text-decoration: none;
    font-weight: bold;
    color: white;
    border-right: 1px solid gray;
    }

 nav li a:hover {
     color: black;
     background-color: white; 
     }

 /* Navigation Bar Styling */