html {background: rgba(0,192,27, 0.9);}
body {font-family: sans-serif;
margin: 1.5em;
padding: 1em;
color:white;
background: #333;
height: 90vh;}

main {margin: 0 auto;
display: block;
width: 27em;}

img {margin: 0 auto;
display: block;}
ul {list-style: none;}
li {margin-bottom: .5em;}
a {color: rgba(0,192,27, 0.9);