body {
  background: #ddd;
  font-family: 'Roboto', 'Open Sans', sans-serif;
  font-weight: 300;
}
*:focus {
  outline: none;
}
h1,
h2,
h3 {
  font-weight: 300;
}
.wrapper {
  background: #fff;
  width: 400px;
  margin: 32px auto;
  padding: 16px;
  text-align: center;
}
.drop-zone {
  height: 300px;
  border: 4px dashed #555;
  border-radius: 10px;
  transition: .3s;
}
.drop-zone .hover-text {
  color: #aaa;
  font-size: 60px;
  text-align: center;
  padding-top: 80px;
  transition: .3s;
}
.drop-zone.dropzone-clickable {
  cursor: pointer;
}
.drop-zone.state-hover,
.drop-zone.dropzone-clickable:hover {
  border-color: #4286f4;
}
.drop-zone.state-hover .hover-text,
.drop-zone.dropzone-clickable:hover .hover-text {
  color: #4286f4;
}
.list {
  text-align: left;
}
.list li {
  padding: 12px 0;
}
button {
  border: 1px solid #999;
  color: #555;
  background: transparent;
  border-radius: 3px;
  padding: 5px 12px;
  transition: .3s;
  cursor: pointer;
  text-transform: uppercase;
  float: right;
  -webkit-transform: translateY(-6px);
          transform: translateY(-6px);
}
button:hover {
  background: rgba(0, 0, 0, 0.1);
}
.footer {
  border-top: 1px solid #ddd;
  padding-top: 16px;
}
a {
  color: #4286f4;
  text-decoration: none;
}