// teamtreehouse.com/community/how-do-i-remove-white-space-between-header-section-footer

body {

margin: 0;
padding: 0;

}

header, section, article, footer {

margin: 0;
padding: 1rem; /* tweaked from 0 to 1px */

}

img{

max-width: 100%;
height: auto;

}

a {

color: inherit;
text-decoration: none;

}