html {
  position: relative;
  color: #3a3a3a;
}

#header-img {
  max-width: 500px;
  display: block;
  margin: auto;
}

h1 {
  text-align: center;
  margin: auto;
  font-family: 'ABeeZee', sans-serif;
  font-size: 40px;
}

section {
  display: flex;
  flex-direction: column;
  margin-top: 40px;
  align-items: center;
}

h2 {
  margin: 0;
  padding: 10px;
}

.generate {
  font-family: 'ABeeZee', sans-serif;
  font-size: 15px;
  width: 185px;
  height: 65px;
  cursor: pointer;
  border-radius: 10px;
  color: #3a3a3a;
}

.generate:hover {
  background: #3a3a3a;
  color: white;
}

.generate:focus {
  outline: none;
}

.generate:active {
  transform: translate(2px, 2px);
}

#size-btns {
  display: flex;
  padding: 5px;
  font-family:'ABeeZee', sans-serif;
}

#size-btns button {
  border-radius: 5px;
  margin: 10px;
  padding: 5px 10px;
}

#size-btns button:hover {
  background: #3a3a3a;
  color: white;
  cursor: pointer;
}

#size-btns button:active {
  outline: none;
  background: #3a3a3a;
  transform: translate(1px, 1px);
}

#size-btns button:focus {
  outline: none;
}

#img-universal {
  margin-top: 50px;
  display: block;
}

.normal {
  max-width: 400px;
  max-height: 400px;
}

.small {
  max-width: 300px;
  max-height: 300px;
}

.large {
  max-width: 500px;
  max-height: 500px;
}

footer {
  position: sticky;
  margin: auto;
  text-align: center;
  font-family: 'ABeeZee', sans-serif;
}

footer p {
  margin: 0 20px;
  display: inline;
}

.hide {
  display: none;
}

.show {
  display: inline-block;
}