html,
body {
  font-family: sans-serif;
  min-height: 100vh;
}

#header,
#footer,
main {
  margin: 0;
  border: none;
  outline: none;
}

#header {
  text-align: center;
  font-size: 3.6rem;
  border-bottom: 1px solid #333;
  background-color: white;
}

#footer {
  bottom: 0;
  width: 100%;
  position: fixed;
  text-align: center;
  font-size: 1.4rem;
  line-height: 2.6rem;
  border-top: 1px solid #333;
  background-color: white;
}

main {
  padding: 2rem 0 4rem 0;
}

.navigate-controller__clickable {
  cursor: pointer;
}
.navigate-controller__clickable:hover {
  background-color: blue;
}

.image-dropzone {
  padding: 1rem 0;
  text-align: center;
  border: 2px dashed lightgray;
  margin: 1rem;
  border-radius: 8px;
}
.image-dropzone:hover {
  border: 2px dashed lightblue;
}