body {
  padding: 100px 0 50px;
  text-align: center;
  font-size: 20px;
  font-weight: bold;
}

/* nav */
nav {
  position: absolute;
  height: 50px;
  line-height: 50px;
  color: white;
  top: 0;
  width: 100%;
}

nav div {
  display: inline-block;
  height: 100%;
  float: left;
  width: 50%;
}

nav div:first-child {
  background-color: #DC5753;
  cursor: pointer;
}

nav div:last-child {
  background-color: #2F73A9;
  position: relative;
}

#tweet-button {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  color: white;
  text-decoration: none;
}

#tweet-button.wait {
  cursor: wait;
}

/* main */
#result-img {
  max-width: 100%;
}

#result-img[src*=imgur]:hover {
  box-sizing: border-box;
  outline: 1px solid #aaa;
  opacity: .8;
}

.produced-by {
  margin: .5em;
  font-size: 1rem;
  display: block;
  position: fixed;
  bottom: 0;
  right: 0;
  text-decoration: none;
  color: #aaa;
}

.produced-by:hover {
  opacity: .75;
}