css/style.css

@font-face {
  font-family: 'Gotham Rounded';
  src: url('../fonts/GothamRounded.eot?#iefix') format('embedded-opentype'),  url('../fonts/GothamRounded.otf')  format('opentype'),
         url('../fonts/GothamRounded.woff') format('woff'), url('../fonts/GothamRounded.ttf')  format('truetype'), url('../fonts/GothamRounded.svg#GothamRounded-Medium') format('svg');
  font-weight: normal;
  font-style: normal;
}

body {
	height:100vh;
	width:100vw;
    max-width:100%;
    max-height:100%;
	padding:0;
	margin:0;
    font-family: Gotham Rounded, sans-serif;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

.upload {
    height:100%;
    width:100%;
    padding:0;
    margin:0;
    background: #2dcb89;
    transition: background 0.3s;
    cursor: pointer;
}

.upload.dragover {
    background: #32f1a0;
    transition: background 0.3s;
}

.header {
    text-align: center;
    background: #29bb7e;
}

@media screen and (max-width: 768px) {
    html {
        font-size: 80%;
    }
}
@media screen and (max-width: 320px) {
    html {
        font-size: 60%;
    }
}

.header h1 {
    color: #1b7b53;
    font-size: 4rem;
    padding: 3rem 0 0;
    margin: 0 0 0;
    font-family: Gotham Rounded, sans-serif;
}

.header h2 {
    color: #1e8b5d;
    margin: 0;
    font-size: 2rem;
    padding: 0 1rem 3rem;
}

.desc {
    text-align: center;
    color: #fff;
    height: 60vh;
}

.desc h2 {
    font-size: 2rem;
    margin: 0;
    color: #176b48;
    padding: 3rem 3rem 0;
}

@media screen and (max-width: 490px) {
    .desc h2 a {
        font-size: 1rem;
    }
    .desc h2 i:hover {
        font-size: 1rem;
    }
}

.desc h2 a {
    color: #145a3d;
}

.desc h2 a:link {
    color: #145a3d;
}

.desc h2 i:hover {
    cursor: pointer;
}

.desc img {
    height: 25vh;
    max-width: 100%;
    max-height: 100%;
    margin: auto;
    padding: 5vh;
}

span.author {
    position: absolute;
    bottom: 0;
    right: 0;
    color: #1b7b53;
    font-size: 0.8em;
    padding:0.5em 0.8em;
}

span.author a {
    color: #1b7b53;
}